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.
'C',
        'Loading...',
        'Mount [A]',
        'Mount [B]',
        'Mount [C]',
        
        'Mount [Loading...]',
        'Commit root',
      ]);
      expect(ReactNoop).toMatchRenderedOutput(
        <>
          <span hidden={true} prop="A" />
          <span hidden={true} prop="C" />
          <span prop="Loading..." />
        </>,
      );
      ReactNoop.expire(1000);
      await advanceTimers(1000);
      expect(Scheduler).toHaveYielded(['Promise resolved [B]']);
      expect(Scheduler).toFlushExpired(['B']);
      expect(ReactNoop).toMatchRenderedOutput(
        <>
          <span prop="A" />
          <span prop="B" />
          <span prop="C" />
        </>,
      );
    });
    it('suspends inside constructor', async () => {
      class AsyncTextInConstructor extends React.Component {