Sandbox: https://codesandbox.io/s/cranky-kapitsa-op3jh

Repro: type "a" and then after a second "b"

Expected: Eventually you'll see "ab" in all fields. Pending "..." indicator goes away.

Actual: You'll keep seeing "a" in low pri field. Pending "..." indicator is stuck.
return (
        <Suspense fallback={<Text text="Loading..." />}>
          <ErrorBoundary ref={errorBoundary}>
            <AsyncText text="Result" ms={3000} />
          </ErrorBoundary>
        </Suspense>
      );
    }
    ReactNoop.render(<App />);
    expect(Scheduler).toFlushAndYield(['Suspend! [Result]', 'Loading...']);
    expect(ReactNoop.getChildren()).toEqual([span('Loading...')]);
    await rejectText('Result');
    expect(Scheduler).toHaveYielded(['Promise rejected [Result]']);
    expect(Scheduler).toFlushAndYield([
      'Error! [Result]',
      
      'Error! [Result]',
      
      'Caught error: Failed to load: Result',
    ]);
    expect(ReactNoop.getChildren()).toEqual([
      span('Caught error: Failed to load: Result'),
    ]);
  });
  it('can update at a higher priority while in a suspended state', async () => {
    function App(props) {