Fix test_main so that it works regardless of where the test is executed from (it used to fail if you were running python3 -m pytest from inside the locust subfolder)
Fix test_main so that it works regardless of where the test is executed from (it used to fail if you were running python3 -m pytest from inside the locust subfolder)

locustio/locust,mbeacom/locust,locustio/locust,mbeacom/locust,locustio/locust,locustio/locust,mbeacom/locust,mbeacom/locust