Address Exception in thread Thread-1 (_monitor) error (opendatahub-io#286)

Author: dbasunag

conftest.py

@@ -315,6 +315,7 @@ def pytest_report_teststatus(report: CollectReport, config: Config) -> None:
 
 
 def pytest_sessionfinish(session: Session, exitstatus: int) -> None:
+    session.config.option.log_listener.stop()
     if session.config.option.setupplan or session.config.option.collectonly:
         return
     if session.config.getoption("--collect-must-gather"):