Function ActionC

packages/react-reconciler/src/__tests__/ReactAsyncActions-test.js:549–553

()

    let startTransitionC;
    function ActionC() {
      const [isPending, start] = useTransition();
      startTransitionC = start;
      return <Text text={'Pending C: ' + isPending} />;
    }

    const root = ReactNoop.createRoot();
    await act(() => {