Function ActionB

packages/react-reconciler/src/__tests__/ReactAsyncActions-test.js:542–546

()

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

    let startTransitionC;
    function ActionC() {