1--- a/tests/conftest.py 2+++ b/tests/conftest.py 3@@ -43,6 +43,7 @@ 4 self.next_client_id = 0 5 self.env = { 6 'DISPLAY': display, 7+ 'PATH': os.environ['PATH'] 8 } 9 self.env = extend_env_with_whitelist(self.env) 10 self.hlwm_process = hlwm_process