Update test_multicam_controller.py

Author: C-Achard

tests/services/test_multicam_controller.py

@@ -482,4 +482,4 @@ def _create(settings):
     # Cleanup if still running.
     if mc.is_running():
         with qtbot.waitSignal(mc.all_stopped, timeout=2000):
-            mc.stop(wait=True)
+            mc.stop(wait=True)