Optimize user-event

Author: Janpot

packages-internal/test-utils/src/createRenderer.tsx

@@ -301,7 +301,7 @@ function render(
   );
   const result: MuiRenderResult = {
     ...testingLibraryRenderResult,
-    user: userEvent.setup(),
+    user: userEvent.setup({ delay: null }),
     forceUpdate() {
       traceSync('forceUpdate', () =>
         testingLibraryRenderResult.rerender(