Fix bug in test_executor_creation_and_venv_usage test case. (PR #9021)

Pull request opened by the merge tool on behalf of #9021

Author: arnaudsjs

changelogs/unreleased/fix-bug-venv-cleanup-test.yml

@@ -0,0 +1,4 @@
+---
+description: "Fix bug in test_executor_creation_and_venv_usage test case."
+change-type: patch
+destination-branches: [master, iso8]

tests/forking_agent/test_agent_executor.py

@@ -442,7 +442,7 @@ async def stop_executor_and_wait_for_executor_server_to_stop(
         assert all(not e.running for e in executors)
 
         def did_executor_server_stop() -> bool:
-            return executor_blueprint in mpmanager_light.process_pool.pool
+            return executor_blueprint not in mpmanager_light.process_pool.pool
 
         # Also wait until the executor server has stopped, because that one refreshes the .inmanta_venv_status file.
         await retry_limited(did_executor_server_stop, timeout=10)