Fixes typo

Author: pcrespov

services/web/server/tests/unit/with_dbs/slow/test_projects.py

@@ -1191,7 +1191,6 @@ async def test_delete_multiple_opened_project_forbidden(
     user_role,
     expected_ok,
     expected_forbidden,
-    mocked_director_api,
 ):
     # service in project = await mocked_dynamic_service(logged_user["id"], empty_user_project["uuid"])
     service = await mocked_dynamic_service(logged_user["id"], user_project["uuid"])
@@ -1286,7 +1285,7 @@ async def test_project_node_lifetime(
         assert data["service_state"] == "running"
 
     # get the NOT dynamic node state
-    mocked_director_api["get_running_interactive_services"].return_value = ""
+    mocked_director_api["get_running_interactive_services"].return_value = []
 
     url = client.app.router["get_node"].url_for(
         project_id=user_project["uuid"], node_id=node_id_2