fix test

Author: nammn

docker/mongodb-kubernetes-tests/tests/opsmanager/withMonitoredAppDB/om_ops_manager_appdb_monitoring_tls.py

@@ -118,9 +118,10 @@ def test_monitoring_works_after_tls_disable(ops_manager: MongoDBOpsManager):
     ops_manager.update()
     ops_manager.appdb_status().assert_reaches_phase(Phase.Running, timeout=1200)
 
-    # Disable TLS on AppDB
+    # Disable TLS on AppDB - must also remove additionalMongodConfig that had allowTLS
     ops_manager["spec"]["applicationDatabase"]["security"]["certsSecretPrefix"] = None
     ops_manager["spec"]["applicationDatabase"]["security"]["tls"]["enabled"] = False
+    del ops_manager["spec"]["applicationDatabase"]["additionalMongodConfig"]
     ops_manager.update()
     ops_manager.appdb_status().assert_reaches_phase(Phase.Running, timeout=1200)