diff --git a/web/tests/activity.test.js b/web/tests/activity.test.js
index b5d8fbf588..2ea77d1ede 100644
--- a/web/tests/activity.test.js
+++ b/web/tests/activity.test.js
@@ -13,7 +13,7 @@ const {mock_esm, set_global, with_overrides, zrequire} = require("./lib/namespac
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const $window_stub = $.create("window-stub");
 set_global("to_$", () => $window_stub);
@@ -52,8 +52,13 @@ const peer_data = zrequire("peer_data");
 const message_lists = zrequire("message_lists");
 const util = zrequire("util");
 const {Filter} = zrequire("../src/filter");
+const {set_current_user, set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/buddy_data.test.js b/web/tests/buddy_data.test.js
index 3de42e7948..982911494c 100644
--- a/web/tests/buddy_data.test.js
+++ b/web/tests/buddy_data.test.js
@@ -6,7 +6,7 @@ const _ = require("lodash");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 mock_esm("../src/settings_data", {
     user_can_access_all_other_users: () => true,
@@ -24,8 +24,13 @@ const user_status = zrequire("user_status");
 const buddy_data = zrequire("buddy_data");
 const {Filter} = zrequire("filter");
 const message_lists = zrequire("message_lists");
+const {set_current_user, set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
+const current_user = {};
+set_current_user(current_user);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/buddy_list.test.js b/web/tests/buddy_list.test.js
index 338e73a525..fff275ed64 100644
--- a/web/tests/buddy_list.test.js
+++ b/web/tests/buddy_list.test.js
@@ -22,8 +22,10 @@ const message_viewport = mock_esm("../src/message_viewport");
 const buddy_data = zrequire("buddy_data");
 const {BuddyList} = zrequire("buddy_list");
 const people = zrequire("people");
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_realm({});
 initialize_user_settings({user_settings: {}});
 
 function init_simulated_scrolling() {
diff --git a/web/tests/compose.test.js b/web/tests/compose.test.js
index 6004a85d00..e3c7916883 100644
--- a/web/tests/compose.test.js
+++ b/web/tests/compose.test.js
@@ -8,7 +8,7 @@ const {mock_banners} = require("./lib/compose_banner");
 const {mock_esm, set_global, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const user_groups = zrequire("user_groups");
 
@@ -58,9 +58,14 @@ const compose_setup = zrequire("compose_setup");
 const drafts = zrequire("drafts");
 const echo = zrequire("echo");
 const people = zrequire("people");
+const {set_current_user, set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
+const current_user = {};
+set_current_user(current_user);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/compose_actions.test.js b/web/tests/compose_actions.test.js
index 63d404b867..5f0ba89c36 100644
--- a/web/tests/compose_actions.test.js
+++ b/web/tests/compose_actions.test.js
@@ -7,7 +7,6 @@ const {mock_esm, set_global, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {realm} = require("./lib/zpage_params");
 
 const user_groups = zrequire("user_groups");
 
@@ -88,6 +87,10 @@ const compose_reply = zrequire("compose_reply");
 const message_lists = zrequire("message_lists");
 const stream_data = zrequire("stream_data");
 const compose_recipient = zrequire("compose_recipient");
+const {set_realm} = zrequire("state_data");
+
+const realm = {};
+set_realm(realm);
 
 const start = compose_actions.start;
 const cancel = compose_actions.cancel;
diff --git a/web/tests/compose_pm_pill.test.js b/web/tests/compose_pm_pill.test.js
index bafde72941..1e4d7ab2dd 100644
--- a/web/tests/compose_pm_pill.test.js
+++ b/web/tests/compose_pm_pill.test.js
@@ -10,6 +10,9 @@ const input_pill = mock_esm("../src/input_pill");
 const people = zrequire("people");
 
 const compose_pm_pill = zrequire("compose_pm_pill");
+const {set_realm} = zrequire("state_data");
+
+set_realm({});
 
 let pills = {
     pill: {},
diff --git a/web/tests/compose_ui.test.js b/web/tests/compose_ui.test.js
index 9239dd3601..0e1c5a6e5d 100644
--- a/web/tests/compose_ui.test.js
+++ b/web/tests/compose_ui.test.js
@@ -6,7 +6,6 @@ const {$t} = require("./lib/i18n");
 const {mock_esm, set_global, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {realm} = require("./lib/zpage_params");
 
 set_global("navigator", {});
 
@@ -27,8 +26,11 @@ const channel = mock_esm("../src/channel");
 const compose_reply = zrequire("compose_reply");
 const message_lists = zrequire("message_lists");
 const text_field_edit = mock_esm("text-field-edit");
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
 initialize_user_settings({user_settings: {}});
 
 const alice = {
diff --git a/web/tests/compose_validate.test.js b/web/tests/compose_validate.test.js
index dc2a2c5d10..1561870e85 100644
--- a/web/tests/compose_validate.test.js
+++ b/web/tests/compose_validate.test.js
@@ -8,7 +8,6 @@ const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {current_user, realm} = require("./lib/zpage_params");
 
 const compose_banner = zrequire("compose_banner");
 const compose_pm_pill = zrequire("compose_pm_pill");
@@ -19,10 +18,16 @@ const people = zrequire("people");
 const resolved_topic = zrequire("../shared/src/resolved_topic");
 const settings_config = zrequire("settings_config");
 const settings_data = mock_esm("../src/settings_data");
+const {set_current_user, set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const compose_recipient = zrequire("/compose_recipient");
 const user_groups = zrequire("user_groups");
 
+const realm = {};
+set_realm(realm);
+const current_user = {};
+set_current_user(current_user);
+
 const me = {
     email: "me@example.com",
     user_id: 30,
diff --git a/web/tests/compose_video.test.js b/web/tests/compose_video.test.js
index 44c361b9d0..17b1a27745 100644
--- a/web/tests/compose_video.test.js
+++ b/web/tests/compose_video.test.js
@@ -6,7 +6,7 @@ const events = require("./lib/events");
 const {mock_esm, set_global, with_overrides, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const channel = mock_esm("../src/channel");
 const compose_closed_ui = mock_esm("../src/compose_closed_ui");
@@ -27,6 +27,12 @@ set_global(
 
 const server_events_dispatch = zrequire("server_events_dispatch");
 const compose_setup = zrequire("compose_setup");
+const {set_current_user, set_realm} = zrequire("state_data");
+
+const realm = {};
+set_realm(realm);
+const current_user = {};
+set_current_user(current_user);
 
 function stub_out_video_calls() {
     const $elem = $(".compose-control-buttons-container .video_link");
diff --git a/web/tests/composebox_typeahead.test.js b/web/tests/composebox_typeahead.test.js
index 01293358db..dad4de0130 100644
--- a/web/tests/composebox_typeahead.test.js
+++ b/web/tests/composebox_typeahead.test.js
@@ -6,7 +6,6 @@ const {mock_banners} = require("./lib/compose_banner");
 const {mock_esm, set_global, with_overrides, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {current_user, realm} = require("./lib/zpage_params");
 
 let autosize_called;
 
@@ -57,8 +56,13 @@ const compose_pm_pill = zrequire("compose_pm_pill");
 const compose_recipient = zrequire("compose_recipient");
 const composebox_typeahead = zrequire("composebox_typeahead");
 const settings_config = zrequire("settings_config");
+const {set_current_user, set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/dispatch.test.js b/web/tests/dispatch.test.js
index 8763cb57eb..e2bab7367d 100644
--- a/web/tests/dispatch.test.js
+++ b/web/tests/dispatch.test.js
@@ -8,12 +8,7 @@ const {make_stub} = require("./lib/stub");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {
-    current_user,
-    page_params,
-    realm,
-    realm_user_settings_defaults,
-} = require("./lib/zpage_params");
+const {page_params, realm_user_settings_defaults} = require("./lib/zpage_params");
 
 const event_fixtures = events.fixtures;
 const test_message = events.test_message;
@@ -102,8 +97,13 @@ const user_group_edit = mock_esm("../src/user_group_edit");
 const overlays = mock_esm("../src/overlays");
 mock_esm("../src/giphy");
 const {Filter} = zrequire("filter");
+const {set_current_user, set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
+const current_user = {};
+set_current_user(current_user);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/dispatch_subs.test.js b/web/tests/dispatch_subs.test.js
index bf2fd226ff..4063a9ac59 100644
--- a/web/tests/dispatch_subs.test.js
+++ b/web/tests/dispatch_subs.test.js
@@ -7,7 +7,6 @@ const {mock_esm, zrequire} = require("./lib/namespace");
 const {make_stub} = require("./lib/stub");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {realm} = require("./lib/zpage_params");
 
 const event_fixtures = events.fixtures;
 const test_user = events.test_user;
@@ -27,9 +26,13 @@ const compose_state = zrequire("compose_state");
 const peer_data = zrequire("peer_data");
 const people = zrequire("people");
 const server_events_dispatch = zrequire("server_events_dispatch");
+const {set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const sub_store = zrequire("sub_store");
 
+const realm = {};
+set_realm(realm);
+
 people.add_active_user(test_user);
 
 const me = {
diff --git a/web/tests/echo.test.js b/web/tests/echo.test.js
index cbc30f05a2..ee91b04583 100644
--- a/web/tests/echo.test.js
+++ b/web/tests/echo.test.js
@@ -7,7 +7,6 @@ const MockDate = require("mockdate");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {make_stub} = require("./lib/stub");
 const {run_test, noop} = require("./lib/test");
-const {current_user} = require("./lib/zpage_params");
 
 const compose_notifications = mock_esm("../src/compose_notifications");
 const markdown = mock_esm("../src/markdown");
@@ -70,9 +69,13 @@ message_lists.non_rendered_data = () => [];
 const echo = zrequire("echo");
 const echo_state = zrequire("echo_state");
 const people = zrequire("people");
+const {set_current_user} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const stream_topic_history = zrequire("stream_topic_history");
 
+const current_user = {};
+set_current_user(current_user);
+
 const general_sub = {
     stream_id: 101,
     name: "general",
diff --git a/web/tests/example3.test.js b/web/tests/example3.test.js
index ff5e56526b..8313d358df 100644
--- a/web/tests/example3.test.js
+++ b/web/tests/example3.test.js
@@ -12,8 +12,11 @@ const {run_test} = require("./lib/test");
 // core piece of code that makes things work.
 
 const {Filter} = zrequire("../src/filter");
+const {set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 
+set_realm({});
+
 const denmark_stream = make_stream({
     color: "blue",
     name: "Denmark",
diff --git a/web/tests/example4.test.js b/web/tests/example4.test.js
index a6e2be3ae0..1e0f38ad21 100644
--- a/web/tests/example4.test.js
+++ b/web/tests/example4.test.js
@@ -65,6 +65,9 @@ const user_profile = mock_esm("../src/user_profile");
 // Use real versions of these modules.
 const people = zrequire("people");
 const server_events_dispatch = zrequire("server_events_dispatch");
+const {set_current_user} = zrequire("state_data");
+
+set_current_user({});
 
 const bob = make_bot({
     email: "bob@example.com",
diff --git a/web/tests/example8.test.js b/web/tests/example8.test.js
index adba3bd1ba..fad108cbd2 100644
--- a/web/tests/example8.test.js
+++ b/web/tests/example8.test.js
@@ -6,7 +6,6 @@ const {make_user} = require("./lib/example_user");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {current_user} = require("./lib/zpage_params");
 
 mock_esm("../src/settings_data", {
     user_can_access_all_other_users: () => true,
@@ -30,9 +29,13 @@ mock_esm("../src/settings_data", {
 const {Filter} = zrequire("filter");
 const message_lists = zrequire("message_lists");
 const people = zrequire("people");
+const {set_current_user} = zrequire("state_data");
 const typing_data = zrequire("typing_data");
 const typing_events = zrequire("typing_events");
 
+const current_user = {};
+set_current_user(current_user);
+
 // Let us add a few users to use as typists.
 const anna = make_user({
     email: "anna@example.com",
diff --git a/web/tests/filter.test.js b/web/tests/filter.test.js
index 9fdee49264..87b6262b6e 100644
--- a/web/tests/filter.test.js
+++ b/web/tests/filter.test.js
@@ -8,7 +8,7 @@ const {mock_esm, with_overrides, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const message_store = mock_esm("../src/message_store");
 const user_topics = mock_esm("../src/user_topics");
@@ -17,8 +17,13 @@ const resolved_topic = zrequire("../shared/src/resolved_topic");
 const stream_data = zrequire("stream_data");
 const people = zrequire("people");
 const {Filter} = zrequire("../src/filter");
+const {set_current_user, set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
+const current_user = {};
+set_current_user(current_user);
 initialize_user_settings({user_settings: {}});
 
 const stream_message = "stream";
diff --git a/web/tests/gear_menu_util.test.js b/web/tests/gear_menu_util.test.js
index 92ae703c4f..3e148e4d7c 100644
--- a/web/tests/gear_menu_util.test.js
+++ b/web/tests/gear_menu_util.test.js
@@ -4,9 +4,12 @@ const assert = require("node:assert/strict");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {realm} = require("./lib/zpage_params");
 
 const gear_menu_util = zrequire("gear_menu_util");
+const {set_realm} = zrequire("state_data");
+
+const realm = {};
+set_realm(realm);
 
 run_test("version_display_string", ({override}) => {
     let expected_version_display_string;
diff --git a/web/tests/lib/index.js b/web/tests/lib/index.js
index 102a320226..29cb2a9c0d 100644
--- a/web/tests/lib/index.js
+++ b/web/tests/lib/index.js
@@ -129,8 +129,6 @@ test.set_verbose(files.length === 1);
         require("../../src/billing/page_params");
         namespace.mock_esm("../../src/page_params", zpage_params);
         require("../../src/page_params");
-        namespace.mock_esm("../../src/state_data", zpage_params);
-        require("../../src/state_data");
         namespace.mock_esm("../../src/realm_user_settings_defaults", zpage_params);
         require("../../src/realm_user_settings_defaults");
 
diff --git a/web/tests/lib/zpage_params.js b/web/tests/lib/zpage_params.js
index 359ff5c976..c76c1dd7b4 100644
--- a/web/tests/lib/zpage_params.js
+++ b/web/tests/lib/zpage_params.js
@@ -1,26 +1,14 @@
 "use strict";
 
-exports.current_user = {};
 exports.page_params = {};
-exports.realm = {};
 exports.realm_user_settings_defaults = {};
 
 exports.reset = () => {
-    for (const field in exports.current_user) {
-        if (Object.hasOwn(exports.current_user, field)) {
-            delete exports.current_user[field];
-        }
-    }
     for (const field in exports.page_params) {
         if (Object.hasOwn(exports.page_params, field)) {
             delete exports.page_params[field];
         }
     }
-    for (const field in exports.realm) {
-        if (Object.hasOwn(exports.realm, field)) {
-            delete exports.realm[field];
-        }
-    }
     for (const field in exports.realm_user_settings_defaults) {
         if (Object.hasOwn(exports.realm_user_settings_defaults, field)) {
             delete exports.realm_user_settings_defaults[field];
diff --git a/web/tests/markdown.test.js b/web/tests/markdown.test.js
index 3a0ee0bd0d..34955836c2 100644
--- a/web/tests/markdown.test.js
+++ b/web/tests/markdown.test.js
@@ -53,10 +53,12 @@ const markdown_config = zrequire("markdown_config");
 const markdown = zrequire("markdown");
 const people = zrequire("people");
 const pygments_data = zrequire("pygments_data");
+const {set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const user_groups = zrequire("user_groups");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_realm({});
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/message_edit.test.js b/web/tests/message_edit.test.js
index d271a58a7c..bd470a3ee7 100644
--- a/web/tests/message_edit.test.js
+++ b/web/tests/message_edit.test.js
@@ -4,15 +4,20 @@ const assert = require("node:assert/strict");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user, realm} = require("./lib/zpage_params");
 
 const message_edit = zrequire("message_edit");
 const people = zrequire("people");
+const {set_current_user, set_realm} = zrequire("state_data");
 
 const is_content_editable = message_edit.is_content_editable;
 
 const settings_data = mock_esm("../src/settings_data");
 
+const realm = {};
+set_realm(realm);
+const current_user = {};
+set_current_user(current_user);
+
 run_test("is_content_editable", ({override}) => {
     // You can't edit a null message
     assert.equal(is_content_editable(null), false);
diff --git a/web/tests/message_events.test.js b/web/tests/message_events.test.js
index 30bb3ff6e5..b3f0c1cb54 100644
--- a/web/tests/message_events.test.js
+++ b/web/tests/message_events.test.js
@@ -5,7 +5,6 @@ const assert = require("node:assert/strict");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {realm} = require("./lib/zpage_params");
 
 const message_edit = mock_esm("../src/message_edit");
 const message_lists = mock_esm("../src/message_lists");
@@ -25,11 +24,15 @@ const people = zrequire("people");
 const message_events = zrequire("message_events");
 message_events.__Rewire__("update_views_filtered_on_message_property", () => {});
 const message_helper = zrequire("message_helper");
+const {set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const stream_topic_history = zrequire("stream_topic_history");
 const unread = zrequire("unread");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
+
 initialize_user_settings({user_settings: {}});
 
 const alice = {
diff --git a/web/tests/message_list.test.js b/web/tests/message_list.test.js
index cb0917158a..c6029a6447 100644
--- a/web/tests/message_list.test.js
+++ b/web/tests/message_list.test.js
@@ -7,7 +7,6 @@ const {make_stub} = require("./lib/stub");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {current_user} = require("./lib/zpage_params");
 
 // These unit tests for web/src/message_list.ts emphasize the model-ish
 // aspects of the MessageList class.  We have to stub out a few functions
@@ -42,6 +41,10 @@ mock_esm("../src/message_list_view", {
     MessageListView,
 });
 const {Filter} = zrequire("filter");
+const {set_current_user} = zrequire("state_data");
+
+const current_user = {};
+set_current_user(current_user);
 
 run_test("basics", ({override}) => {
     override(activity_ui, "build_user_sidebar", noop);
diff --git a/web/tests/message_store.test.js b/web/tests/message_store.test.js
index 218b4ae255..8d07387e1f 100644
--- a/web/tests/message_store.test.js
+++ b/web/tests/message_store.test.js
@@ -27,8 +27,10 @@ const pm_conversations = zrequire("pm_conversations");
 const message_helper = zrequire("message_helper");
 const message_store = zrequire("message_store");
 const message_user_ids = zrequire("message_user_ids");
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_realm({});
 initialize_user_settings({user_settings: {}});
 
 const denmark = {
diff --git a/web/tests/message_view.test.js b/web/tests/message_view.test.js
index 23d1dfadbd..d353e50256 100644
--- a/web/tests/message_view.test.js
+++ b/web/tests/message_view.test.js
@@ -6,7 +6,7 @@ const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const hash_util = zrequire("hash_util");
 const compose_state = zrequire("compose_state");
@@ -19,9 +19,13 @@ const narrow_title = zrequire("narrow_title");
 const recent_view_util = zrequire("recent_view_util");
 const inbox_util = zrequire("inbox_util");
 const message_lists = zrequire("message_lists");
+const {set_current_user, set_realm} = zrequire("state_data");
 const user_groups = zrequire("user_groups");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_current_user({});
+const realm = {};
+set_realm(realm);
 initialize_user_settings({user_settings: {}});
 
 mock_esm("../src/compose_banner", {
diff --git a/web/tests/narrow_activate.test.js b/web/tests/narrow_activate.test.js
index a194a17d93..df0731e537 100644
--- a/web/tests/narrow_activate.test.js
+++ b/web/tests/narrow_activate.test.js
@@ -80,6 +80,9 @@ const narrow_state = zrequire("narrow_state");
 const stream_data = zrequire("stream_data");
 const message_view = zrequire("message_view");
 const people = zrequire("people");
+const {set_realm} = zrequire("state_data");
+
+set_realm({});
 
 const denmark = {
     subscribed: false,
diff --git a/web/tests/narrow_unread.test.js b/web/tests/narrow_unread.test.js
index 24f9fccd91..e9f15c1396 100644
--- a/web/tests/narrow_unread.test.js
+++ b/web/tests/narrow_unread.test.js
@@ -18,6 +18,10 @@ const unread = zrequire("unread");
 // The main code we are testing lives here.
 const narrow_state = zrequire("narrow_state");
 const message_lists = zrequire("message_lists");
+const {set_current_user, set_realm} = zrequire("state_data");
+
+set_current_user({});
+set_realm({});
 
 const alice = {
     email: "alice@example.com",
diff --git a/web/tests/navbar_alerts.test.js b/web/tests/navbar_alerts.test.js
index 5cb48563d8..ee2435ba03 100644
--- a/web/tests/navbar_alerts.test.js
+++ b/web/tests/navbar_alerts.test.js
@@ -6,7 +6,7 @@ const {addDays} = require("date-fns");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 page_params.is_spectator = false;
 
@@ -16,6 +16,12 @@ const timerender = mock_esm("../src/timerender");
 
 const {localstorage} = zrequire("localstorage");
 const navbar_alerts = zrequire("navbar_alerts");
+const {set_current_user, set_realm} = zrequire("state_data");
+
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 
 function test(label, f) {
     run_test(label, (helpers) => {
diff --git a/web/tests/notifications.test.js b/web/tests/notifications.test.js
index 150e2c3b83..565f29a2a3 100644
--- a/web/tests/notifications.test.js
+++ b/web/tests/notifications.test.js
@@ -5,7 +5,7 @@ const assert = require("node:assert/strict");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {current_user, page_params} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 mock_esm("../src/electron_bridge");
 mock_esm("../src/spoilers", {hide_spoilers_in_notification() {}});
@@ -15,8 +15,11 @@ const stream_data = zrequire("stream_data");
 
 const desktop_notifications = zrequire("desktop_notifications");
 const message_notifications = zrequire("message_notifications");
+const {set_current_user} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/peer_data.test.js b/web/tests/peer_data.test.js
index ee08878b9b..02629b0de2 100644
--- a/web/tests/peer_data.test.js
+++ b/web/tests/peer_data.test.js
@@ -15,8 +15,11 @@ const {page_params} = require("./lib/zpage_params");
 
 const peer_data = zrequire("peer_data");
 const people = zrequire("people");
+const {set_current_user} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 
+set_current_user({});
+
 page_params.realm_users = [];
 
 const me = {
diff --git a/web/tests/people.test.js b/web/tests/people.test.js
index 63ffffec68..62fdf94fb2 100644
--- a/web/tests/people.test.js
+++ b/web/tests/people.test.js
@@ -10,7 +10,7 @@ const {$t} = require("./lib/i18n");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const message_user_ids = mock_esm("../src/message_user_ids");
 const settings_data = mock_esm("../src/settings_data", {
@@ -19,9 +19,14 @@ const settings_data = mock_esm("../src/settings_data", {
 
 const muted_users = zrequire("muted_users");
 const people = zrequire("people");
+const {set_current_user, set_realm} = zrequire("state_data");
 const user_groups = zrequire("user_groups");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/pill_typeahead.test.js b/web/tests/pill_typeahead.test.js
index e66edfe07d..b8723fa3a3 100644
--- a/web/tests/pill_typeahead.test.js
+++ b/web/tests/pill_typeahead.test.js
@@ -6,7 +6,7 @@ const {zrequire, mock_esm} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const noop = function () {};
 
@@ -17,10 +17,14 @@ const input_pill = zrequire("input_pill");
 const pill_typeahead = zrequire("pill_typeahead");
 const peer_data = zrequire("peer_data");
 const people = zrequire("people");
+const {set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const user_groups = zrequire("user_groups");
 const typeahead_helper = zrequire("typeahead_helper");
 
+const realm = {};
+set_realm(realm);
+
 // set global test variables.
 let sort_recipients_called = false;
 let sort_streams_called = false;
diff --git a/web/tests/pm_conversations.test.js b/web/tests/pm_conversations.test.js
index 67fdee4853..5a9b511c2b 100644
--- a/web/tests/pm_conversations.test.js
+++ b/web/tests/pm_conversations.test.js
@@ -4,12 +4,15 @@ const assert = require("node:assert/strict");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user} = require("./lib/zpage_params");
 
 const user_topics = zrequire("user_topics");
 const muted_users = zrequire("muted_users");
 const people = zrequire("people");
 const pmc = zrequire("pm_conversations");
+const {set_current_user} = zrequire("state_data");
+
+const current_user = {};
+set_current_user(current_user);
 
 const alice = {
     user_id: 1,
diff --git a/web/tests/pm_list_data.test.js b/web/tests/pm_list_data.test.js
index db7a6512e5..a01cf5c19e 100644
--- a/web/tests/pm_list_data.test.js
+++ b/web/tests/pm_list_data.test.js
@@ -23,8 +23,10 @@ const people = zrequire("people");
 const pm_conversations = zrequire("pm_conversations");
 const pm_list_data = zrequire("pm_list_data");
 const message_lists = zrequire("message_lists");
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_realm({});
 initialize_user_settings({user_settings: {}});
 
 const alice = {
diff --git a/web/tests/poll_widget.test.js b/web/tests/poll_widget.test.js
index d757bcba2c..db46b99f07 100644
--- a/web/tests/poll_widget.test.js
+++ b/web/tests/poll_widget.test.js
@@ -16,6 +16,9 @@ const {PollData} = zrequire("../shared/src/poll_data");
 const poll_widget = zrequire("poll_widget");
 
 const people = zrequire("people");
+const {set_realm} = zrequire("state_data");
+
+set_realm({});
 
 const me = {
     email: "me@zulip.com",
diff --git a/web/tests/popover_menus_data.test.js b/web/tests/popover_menus_data.test.js
index 2e8838cb0d..346c3b61c7 100644
--- a/web/tests/popover_menus_data.test.js
+++ b/web/tests/popover_menus_data.test.js
@@ -5,7 +5,7 @@ const assert = require("node:assert/strict");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {page_params, realm, current_user} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const {Filter} = zrequire("filter");
 const {MessageList} = zrequire("message_list");
@@ -16,6 +16,7 @@ const people = zrequire("people");
 const compose_state = zrequire("compose_state");
 const user_groups = zrequire("user_groups");
 const {MessageListData} = zrequire("message_list_data");
+const {set_current_user, set_realm} = zrequire("state_data");
 
 const noop = function () {};
 
@@ -54,6 +55,11 @@ mock_esm("../src/group_permission_settings", {
     },
 });
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
+
 // Define test users
 const mike = {
     user_id: 1000,
diff --git a/web/tests/presence.test.js b/web/tests/presence.test.js
index b884540e9c..cd6413534b 100644
--- a/web/tests/presence.test.js
+++ b/web/tests/presence.test.js
@@ -4,7 +4,6 @@ const assert = require("node:assert/strict");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {realm} = require("./lib/zpage_params");
 
 mock_esm("../src/settings_data", {
     user_can_access_all_other_users: () => true,
@@ -12,8 +11,11 @@ mock_esm("../src/settings_data", {
 
 const people = zrequire("people");
 const presence = zrequire("presence");
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/reactions.test.js b/web/tests/reactions.test.js
index 1a7f83951c..4e60a30b2e 100644
--- a/web/tests/reactions.test.js
+++ b/web/tests/reactions.test.js
@@ -7,7 +7,7 @@ const {make_stub} = require("./lib/stub");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {current_user, page_params} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const alice_user_id = 5;
 
@@ -59,8 +59,12 @@ const emoji = zrequire("emoji");
 const emoji_codes = zrequire("../../static/generated/emoji/emoji_codes.json");
 const people = zrequire("people");
 const reactions = zrequire("reactions");
+const {set_current_user, set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+set_realm({});
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/recent_view.test.js b/web/tests/recent_view.test.js
index 3b75c43bab..5684e5321e 100644
--- a/web/tests/recent_view.test.js
+++ b/web/tests/recent_view.test.js
@@ -200,8 +200,11 @@ const rt = zrequire("recent_view_ui");
 const recent_view_util = zrequire("recent_view_util");
 const rt_data = zrequire("recent_view_data");
 const muted_users = zrequire("muted_users");
+const {set_realm} = zrequire("state_data");
 const sub_store = zrequire("sub_store");
 
+set_realm({});
+
 for (const stream_id of [stream1, stream2, stream3, stream4, stream6]) {
     sub_store.add_hydrated_sub(stream_id, {
         color: "",
diff --git a/web/tests/rendered_markdown.test.js b/web/tests/rendered_markdown.test.js
index cc7f35a57a..a4062f5998 100644
--- a/web/tests/rendered_markdown.test.js
+++ b/web/tests/rendered_markdown.test.js
@@ -7,7 +7,6 @@ const {mock_cjs, mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {realm} = require("./lib/zpage_params");
 
 let clipboard_args;
 class Clipboard {
@@ -33,8 +32,11 @@ const message_store = mock_esm("../src/message_store");
 mock_esm("../src/settings_data", {
     user_can_access_all_other_users: () => false,
 });
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/search_suggestion.test.js b/web/tests/search_suggestion.test.js
index 0daca334eb..4a79633202 100644
--- a/web/tests/search_suggestion.test.js
+++ b/web/tests/search_suggestion.test.js
@@ -4,7 +4,7 @@ const assert = require("node:assert/strict");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const narrow_state = mock_esm("../src/narrow_state");
 const stream_topic_history_util = mock_esm("../src/stream_topic_history_util");
@@ -16,6 +16,12 @@ const stream_data = zrequire("stream_data");
 const stream_topic_history = zrequire("stream_topic_history");
 const people = zrequire("people");
 const search = zrequire("search_suggestion");
+const {set_current_user, set_realm} = zrequire("state_data");
+
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 
 const me = {
     email: "myself@zulip.com",
diff --git a/web/tests/settings_bots.test.js b/web/tests/settings_bots.test.js
index 71807f0602..dca6581c6c 100644
--- a/web/tests/settings_bots.test.js
+++ b/web/tests/settings_bots.test.js
@@ -4,7 +4,6 @@ const assert = require("node:assert/strict");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user, realm} = require("./lib/zpage_params");
 
 const bot_data_params = {
     realm_bots: [
@@ -29,6 +28,12 @@ const bot_data_params = {
 
 const bot_data = zrequire("bot_data");
 const settings_bots = zrequire("settings_bots");
+const {set_current_user, set_realm} = zrequire("state_data");
+
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 
 bot_data.initialize(bot_data_params);
 
diff --git a/web/tests/settings_config.test.js b/web/tests/settings_config.test.js
index 5b523a129e..7dbf3bac11 100644
--- a/web/tests/settings_config.test.js
+++ b/web/tests/settings_config.test.js
@@ -6,8 +6,10 @@ const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 
 const settings_config = zrequire("settings_config");
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_realm({});
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/settings_data.test.js b/web/tests/settings_data.test.js
index 4bd78d509b..a0a0a00a24 100644
--- a/web/tests/settings_data.test.js
+++ b/web/tests/settings_data.test.js
@@ -4,13 +4,18 @@ const assert = require("node:assert/strict");
 
 const {mock_esm, with_overrides, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 const settings_data = zrequire("settings_data");
 const settings_config = zrequire("settings_config");
+const {set_current_user, set_realm} = zrequire("state_data");
 const user_groups = zrequire("user_groups");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/settings_muted_users.test.js b/web/tests/settings_muted_users.test.js
index 01f61dc2b5..1c86922fa8 100644
--- a/web/tests/settings_muted_users.test.js
+++ b/web/tests/settings_muted_users.test.js
@@ -17,8 +17,10 @@ mock_esm("../src/settings_data", {
 const settings_muted_users = zrequire("settings_muted_users");
 const muted_users = zrequire("muted_users");
 const people = zrequire("people");
+const {set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_realm({});
 initialize_user_settings({user_settings: {}});
 
 run_test("settings", ({override}) => {
diff --git a/web/tests/settings_org.test.js b/web/tests/settings_org.test.js
index 81ee74509e..328903eb63 100644
--- a/web/tests/settings_org.test.js
+++ b/web/tests/settings_org.test.js
@@ -7,7 +7,6 @@ const {mock_esm, zrequire, set_global} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {current_user, realm} = require("./lib/zpage_params");
 
 const realm_icon = mock_esm("../src/realm_icon");
 
@@ -26,8 +25,13 @@ const settings_bots = zrequire("settings_bots");
 const settings_account = zrequire("settings_account");
 const settings_components = zrequire("settings_components");
 const settings_org = zrequire("settings_org");
+const {set_current_user, set_realm} = zrequire("state_data");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 initialize_user_settings({user_settings: {}});
 
 function test(label, f) {
diff --git a/web/tests/settings_profile_fields.test.js b/web/tests/settings_profile_fields.test.js
index ffd09bd384..3bac52950a 100644
--- a/web/tests/settings_profile_fields.test.js
+++ b/web/tests/settings_profile_fields.test.js
@@ -5,7 +5,6 @@ const assert = require("node:assert/strict");
 const {mock_esm, with_overrides, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {current_user, realm} = require("./lib/zpage_params");
 
 const loading = mock_esm("../src/loading");
 
@@ -50,6 +49,12 @@ const Sortable = {create: noop};
 mock_esm("sortablejs", {default: Sortable});
 
 const settings_profile_fields = zrequire("settings_profile_fields");
+const {set_current_user, set_realm} = zrequire("state_data");
+
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 
 function test_populate(opts, template_data) {
     with_overrides(({override}) => {
diff --git a/web/tests/stream_create_subscribers_data.test.js b/web/tests/stream_create_subscribers_data.test.js
index d55b2595b4..d8f5abdbe3 100644
--- a/web/tests/stream_create_subscribers_data.test.js
+++ b/web/tests/stream_create_subscribers_data.test.js
@@ -4,11 +4,14 @@ const assert = require("node:assert/strict");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user} = require("./lib/zpage_params");
 
 const people = zrequire("people");
+const {set_current_user} = zrequire("state_data");
 const stream_create_subscribers_data = zrequire("stream_create_subscribers_data");
 
+const current_user = {};
+set_current_user(current_user);
+
 const me = {
     email: "me@zulip.com",
     full_name: "Zed", // Zed will sort to the top by virtue of being the current user.
diff --git a/web/tests/stream_data.test.js b/web/tests/stream_data.test.js
index 09304ff7ea..b1cad1c581 100644
--- a/web/tests/stream_data.test.js
+++ b/web/tests/stream_data.test.js
@@ -5,7 +5,7 @@ const assert = require("node:assert/strict");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {current_user, page_params, realm} = require("./lib/zpage_params");
+const {page_params} = require("./lib/zpage_params");
 
 // TODO: Remove after we enable support for
 // web_public_streams in production.
@@ -18,10 +18,15 @@ const settings_config = zrequire("settings_config");
 const sub_store = zrequire("sub_store");
 const stream_data = zrequire("stream_data");
 const hash_util = zrequire("hash_util");
+const {set_current_user, set_realm} = zrequire("state_data");
 const stream_settings_data = zrequire("stream_settings_data");
 const user_groups = zrequire("user_groups");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/stream_events.test.js b/web/tests/stream_events.test.js
index 10980605f8..d96a428573 100644
--- a/web/tests/stream_events.test.js
+++ b/web/tests/stream_events.test.js
@@ -46,10 +46,14 @@ const narrow_state = zrequire("narrow_state");
 const peer_data = zrequire("peer_data");
 const people = zrequire("people");
 const settings_config = zrequire("settings_config");
+const {set_current_user, set_realm} = zrequire("state_data");
 const stream_create = zrequire("stream_create");
 const stream_data = zrequire("stream_data");
 const stream_events = zrequire("stream_events");
 
+set_current_user({});
+set_realm({});
+
 const george = {
     email: "george@zulip.com",
     full_name: "George",
diff --git a/web/tests/stream_pill.test.js b/web/tests/stream_pill.test.js
index cad560a561..53795b9770 100644
--- a/web/tests/stream_pill.test.js
+++ b/web/tests/stream_pill.test.js
@@ -4,13 +4,17 @@ const assert = require("node:assert/strict");
 
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user} = require("./lib/zpage_params");
 
 const peer_data = zrequire("peer_data");
 const people = zrequire("people");
+const {set_current_user, set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const stream_pill = zrequire("stream_pill");
 
+const current_user = {};
+set_current_user(current_user);
+set_realm({});
+
 const denmark = {
     stream_id: 101,
     name: "Denmark",
diff --git a/web/tests/stream_settings_ui.test.js b/web/tests/stream_settings_ui.test.js
index 48539ff2e4..62110b852c 100644
--- a/web/tests/stream_settings_ui.test.js
+++ b/web/tests/stream_settings_ui.test.js
@@ -25,11 +25,14 @@ mock_esm("../src/hash_parser", {
 });
 set_global("page_params", {});
 
+const {set_current_user, set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const stream_settings_ui = zrequire("stream_settings_ui");
 const user_groups = zrequire("user_groups");
 const {initialize_user_settings} = zrequire("user_settings");
 
+set_realm({});
+set_current_user({});
 initialize_user_settings({user_settings: {}});
 
 run_test("redraw_left_panel", ({mock_template}) => {
diff --git a/web/tests/stream_topic_history.test.js b/web/tests/stream_topic_history.test.js
index 54317b01af..c6156c13b2 100644
--- a/web/tests/stream_topic_history.test.js
+++ b/web/tests/stream_topic_history.test.js
@@ -12,10 +12,13 @@ const all_messages_data = zrequire("all_messages_data");
 const echo_state = zrequire("echo_state");
 const unread = zrequire("unread");
 const message_store = zrequire("message_store");
+const {set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const stream_topic_history = zrequire("stream_topic_history");
 const stream_topic_history_util = zrequire("stream_topic_history_util");
 
+set_realm({});
+
 stream_topic_history.set_update_topic_last_message_id(noop);
 
 function test(label, f) {
diff --git a/web/tests/topic_list_data.test.js b/web/tests/topic_list_data.test.js
index 55935768cb..04d19253f0 100644
--- a/web/tests/topic_list_data.test.js
+++ b/web/tests/topic_list_data.test.js
@@ -31,11 +31,14 @@ const narrow_state = mock_esm("../src/narrow_state", {
     stream_id() {},
 });
 
+const {set_realm} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 const stream_topic_history = zrequire("stream_topic_history");
 const topic_list_data = zrequire("topic_list_data");
 const unread = zrequire("unread");
 
+set_realm({});
+
 const general = {
     stream_id: 556,
     name: "general",
diff --git a/web/tests/transmit.test.js b/web/tests/transmit.test.js
index beeabb45c3..59471ea352 100644
--- a/web/tests/transmit.test.js
+++ b/web/tests/transmit.test.js
@@ -5,7 +5,6 @@ const assert = require("node:assert/strict");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {current_user} = require("./lib/zpage_params");
 
 const channel = mock_esm("../src/channel");
 const reload = mock_esm("../src/reload");
@@ -25,8 +24,12 @@ const server_events = mock_esm("../src/server_events");
 
 const people = zrequire("people");
 const transmit = zrequire("transmit");
+const {set_current_user} = zrequire("state_data");
 const stream_data = zrequire("stream_data");
 
+const current_user = {};
+set_current_user(current_user);
+
 run_test("transmit_message_ajax", () => {
     let success_func_called;
     const success = () => {
diff --git a/web/tests/typeahead_helper.test.js b/web/tests/typeahead_helper.test.js
index ab8167d8c3..1260749b5f 100644
--- a/web/tests/typeahead_helper.test.js
+++ b/web/tests/typeahead_helper.test.js
@@ -4,7 +4,6 @@ const assert = require("node:assert/strict");
 
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
-const {current_user, realm} = require("./lib/zpage_params");
 
 const stream_topic_history = mock_esm("../src/stream_topic_history");
 
@@ -19,12 +18,17 @@ const stream_list_sort = zrequire("stream_list_sort");
 const compose_state = zrequire("compose_state");
 const emoji = zrequire("emoji");
 const pygments_data = zrequire("pygments_data");
+const {set_current_user, set_realm} = zrequire("state_data");
 const util = zrequire("util");
 const ct = zrequire("composebox_typeahead");
 const th = zrequire("typeahead_helper");
 const user_groups = zrequire("user_groups");
 const {initialize_user_settings} = zrequire("user_settings");
 
+const current_user = {};
+set_current_user(current_user);
+const realm = {};
+set_realm(realm);
 const user_settings = {};
 initialize_user_settings({user_settings});
 
diff --git a/web/tests/typing_events.test.js b/web/tests/typing_events.test.js
index d0fe89e4c8..5d18903fc6 100644
--- a/web/tests/typing_events.test.js
+++ b/web/tests/typing_events.test.js
@@ -5,16 +5,20 @@ const assert = require("node:assert/strict");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {current_user} = require("./lib/zpage_params");
 
 const settings_data = mock_esm("../src/settings_data");
 
 const {Filter} = zrequire("filter");
 const message_lists = zrequire("message_lists");
 const people = zrequire("people");
+const {set_current_user, set_realm} = zrequire("state_data");
 const typing_data = zrequire("typing_data");
 const typing_events = zrequire("typing_events");
 
+const current_user = {};
+set_current_user(current_user);
+set_realm({});
+
 const anna = {
     email: "anna@example.com",
     full_name: "Anna Karenina",
diff --git a/web/tests/upload.test.js b/web/tests/upload.test.js
index 94c4162bf3..cc5fd32504 100644
--- a/web/tests/upload.test.js
+++ b/web/tests/upload.test.js
@@ -5,7 +5,6 @@ const assert = require("node:assert/strict");
 const {mock_esm, set_global, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {realm} = require("./lib/zpage_params");
 
 class ClipboardEvent {
     constructor({clipboardData}) {
@@ -34,6 +33,11 @@ const rows = mock_esm("../src/rows");
 const compose_ui = zrequire("compose_ui");
 const upload = zrequire("upload");
 const message_lists = mock_esm("../src/message_lists");
+const {set_realm} = zrequire("state_data");
+
+const realm = {};
+set_realm(realm);
+
 message_lists.current = {
     id: "1",
 };
diff --git a/web/tests/user_events.test.js b/web/tests/user_events.test.js
index ade41a9243..e492aa8028 100644
--- a/web/tests/user_events.test.js
+++ b/web/tests/user_events.test.js
@@ -6,7 +6,6 @@ const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
 const $ = require("./lib/zjquery");
-const {current_user} = require("./lib/zpage_params");
 
 const message_live_update = mock_esm("../src/message_live_update");
 const navbar_alerts = mock_esm("../src/navbar_alerts");
@@ -54,8 +53,13 @@ mock_esm("../src/settings_streams", {
 
 const people = zrequire("people");
 const settings_config = zrequire("settings_config");
+const {set_current_user, set_realm} = zrequire("state_data");
 const user_events = zrequire("user_events");
 
+const current_user = {};
+set_current_user(current_user);
+set_realm({});
+
 const me = {
     email: "me@example.com",
     user_id: 30,
diff --git a/web/tests/user_groups.test.js b/web/tests/user_groups.test.js
index 4a53571ef7..728df4bd19 100644
--- a/web/tests/user_groups.test.js
+++ b/web/tests/user_groups.test.js
@@ -5,9 +5,12 @@ const assert = require("node:assert/strict");
 const {zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {realm} = require("./lib/zpage_params");
 
 const user_groups = zrequire("user_groups");
+const {set_realm} = zrequire("state_data");
+
+const realm = {};
+set_realm(realm);
 
 run_test("user_groups", () => {
     const students = {
diff --git a/web/tests/user_pill.test.js b/web/tests/user_pill.test.js
index 48328431b3..88d316e688 100644
--- a/web/tests/user_pill.test.js
+++ b/web/tests/user_pill.test.js
@@ -5,13 +5,16 @@ const assert = require("node:assert/strict");
 const {mock_esm, zrequire} = require("./lib/namespace");
 const {run_test} = require("./lib/test");
 const blueslip = require("./lib/zblueslip");
-const {realm} = require("./lib/zpage_params");
 
 const people = zrequire("people");
 const user_pill = zrequire("user_pill");
+const {set_realm} = zrequire("state_data");
 
 const settings_data = mock_esm("../src/settings_data");
 
+const realm = {};
+set_realm(realm);
+
 const alice = {
     email: "alice@example.com",
     user_id: 99,
diff --git a/web/tests/user_search.test.js b/web/tests/user_search.test.js
index b946a56821..5058d53400 100644
--- a/web/tests/user_search.test.js
+++ b/web/tests/user_search.test.js
@@ -5,7 +5,6 @@ const assert = require("node:assert/strict");
 const {set_global, mock_esm, zrequire} = require("./lib/namespace");
 const {run_test, noop} = require("./lib/test");
 const $ = require("./lib/zjquery");
-const {realm} = require("./lib/zpage_params");
 
 const fake_buddy_list = {
     scroll_container_selector: "#whatever",
@@ -46,6 +45,10 @@ const activity_ui = zrequire("activity_ui");
 const buddy_data = zrequire("buddy_data");
 const muted_users = zrequire("muted_users");
 const people = zrequire("people");
+const {set_realm} = zrequire("state_data");
+
+const realm = {};
+set_realm(realm);
 
 const me = {
     email: "me@zulip.com",