seeing strange timestamps on directories and files in CI, around what…

… looks like some race condition. add in some tests here to be more aggressive about this.

Makefile

@@ -75,6 +75,9 @@ wqex_local_test: $(CCTOOLS_INSTALL)  ## run all tests with workqueue_ex config
 .PHONY: workqueue_mon_test
 workqueue_mon_test: $(WORKQUEUE_INSTALL)  ## run all tests with workqueue_ex config
 	pip3 install ".[monitoring]"
+	echo "Contents of runinfo:"
+	date
+	ls -l runinfo/
 	PYTHONPATH=.:/tmp/cctools/lib/python3.8/site-packages  pytest parsl/tests/ -k "not cleannet and not issue363" --config parsl/tests/configs/workqueue_monitoring_config.py --cov=parsl --cov-append --cov-report= --random-order