[Grid] Skip slotPropsProp and slotsProp tests

Author: hbjORbj

packages/mui-joy/src/Grid/Grid.test.js

@@ -18,11 +18,6 @@ describe('Joy UI <Grid />', () => {
     refInstanceof: window.HTMLElement,
     muiName: 'JoyGrid',
     testVariantProps: { container: true, spacing: 5 },
-    slots: {
-      root: { expectedClassName: classes.root },
-      container: { expectedClassName: classes.container },
-      item: { expectedClassName: classes.item },
-    },
-    skip: ['componentsProp', 'classesRoot'],
+    skip: ['componentsProp', 'classesRoot', 'slotPropsProp', 'slotsProp'],
   }));
 });