Add Wazuh agent into PR test workflow

.github/workflows/push.yml

@@ -198,13 +198,10 @@ jobs:
         exit 1
        fi
 
-    - name: Check errors in ossec.log
-      run: ./.github/single-node-log-check.sh
-
     - name: Modify Docker endpoint into Wazuh agent docker-compose.yml file
       run: sed -i "s/<WAZUH_MANAGER_IP>/$(ip addr show docker0 | grep 'inet ' | awk '{print $2}' | cut -d'/' -f1)/g" wazuh-agent/docker-compose.yml
 
-    - name: Start single node stack
+    - name: Start Wazuh agent
       run: docker-compose -f wazuh-agent/docker-compose.yml up -d
 
     - name: Check Wazuh agent enrollment
@@ -212,6 +209,9 @@ jobs:
         sleep 20
         curl -k -s -X GET "curl -k -X GET "https://localhost:55000/agents?pretty=true" -H  "Authorization: Bearer ${{env.TOKEN}}"
 
+    - name: Check errors in ossec.log for Wazuh manager
+      run: ./.github/single-node-log-check.sh
+
   check-multi-node:
     runs-on: ubuntu-latest
     needs: build-docker-images
@@ -233,7 +233,6 @@ jobs:
         sudo swapoff -a
         sudo rm -f /swapfile
         sudo apt clean
-        docker rmi $(docker image ls -aq)
         df -h
 
     - name: Retrieve saved Wazuh dashboard Docker image