diff --git a/zerver/lib/test_classes.py b/zerver/lib/test_classes.py
index 41a274880d..3e0eba3782 100644
--- a/zerver/lib/test_classes.py
+++ b/zerver/lib/test_classes.py
@@ -1511,16 +1511,10 @@ Output:
 
         return "".join(sorted(f"        * {stream['name']}\n" for stream in subscribed_streams))
 
-    def check_user_subscribed_only_to_streams(
-        self, user_name: str, stream_set: set[Stream]
-    ) -> None:
-        streams = sorted(stream_set, key=lambda x: x.name)
+    def check_user_subscribed_only_to_streams(self, user_name: str, streams: set[Stream]) -> None:
+        stream_names = {stream.name for stream in streams}
         subscribed_streams = gather_subscriptions(self.nonreg_user(user_name))[0]
-
-        self.assert_length(subscribed_streams, len(streams))
-
-        for x, y in zip(subscribed_streams, streams, strict=False):
-            self.assertEqual(x["name"], y.name)
+        self.assertEqual(stream_names, {stream["name"] for stream in subscribed_streams})
 
     def resolve_topic_containing_message(
         self,