tests have been fixed

Assets/MirageXR/Player/Scripts/RootObject.cs

@@ -90,6 +90,7 @@ private async Task Initialization() // TODO: create base Manager class
                 _floorManager ??= new GameObject("FloorManagerWrapper").AddComponent<FloorManagerWrapper>();
                 _pointCloudManager ??= new GameObject("PointCloudManager").AddComponent<PointCloudManager>();
                 _gridManager ??= new GameObject("GridManager").AddComponent<GridManager>();
+                _planeManager ??= new GameObject("PlaneManager").AddComponent<PlaneManagerWrapper>();
 
                 _activityManager = new ActivityManager();
                 _augmentationManager = new AugmentationManager();