Agents are not being restarted after manager change in E2E vulnerability detection tests

CHANGELOG.md

@@ -61,6 +61,7 @@ All notable changes to this project will be documented in this file.
 
 ### Fixed
 
+- Fix restart agent in change manager Vulnerability Detector E2E test case ([#5355](https://github.com/wazuh/wazuh-qa/pull/5355)) \- (Tests)
 - Fix E2E Vulnerability Detection Windows package installation error ([#5363](https://github.com/wazuh/wazuh-qa/pull/5363)) \- (Framework)
 - Fix shutdown messages system test ([#5298](https://github.com/wazuh/wazuh-qa/pull/5298)) \- (Framework + Tests)
 - Fix upgrade macOS package cases for vulnerability scanner E2E ([#5334](https://github.com/wazuh/wazuh-qa/pull/5334)) \- (Tests)

tests/end_to_end/test_vulnerability_detector/test_vulnerability_detector.py

@@ -622,10 +622,19 @@ def permutate_agents_managers(self, host_manager):
             )
             change_agent_manager_ip(host_manager, agent, manager_ip)
 
+        # Restart agents to apply the new configuration changes
+        logging.error("Restarting agents")
+        host_manager.control_environment("restart", ["agent"], parallel=True)
+
         yield
 
+        # Restore the original configuration after tests are done
         restore_configuration(host_manager, backup_configuration)
 
+        # Restart agents again to ensure they reconnect with their original managers
+        logging.error("Restarting agents")
+        host_manager.control_environment("restart", ["agent"], parallel=True)
+
     @pytest.mark.parametrize("preconditions, body, teardown", single_vulnerable_case_complete_list,
                              ids=single_vulnerable_case_list_ids,)
     def test_install_vulnerable_package_when_agent_down(self, host_manager, request, record_property, preconditions,