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.
'Initial',
    ]);
    expect(root).toMatchRenderedOutput(<span prop="Initial" />);
    
    
    await ReactNoop.act(async () => {
      root.render(<App text="First update" />);
      expect(Scheduler).toFlushAndYield(['Suspend! [First update]']);
      
      expect(root).toMatchRenderedOutput(<span prop="Initial" />);
    });
    
    await ReactNoop.act(async () => {
      root.render(<App text="Second update" />);
      expect(Scheduler).toFlushAndYield(['Suspend! [Second update]']);
      
      expect(root).toMatchRenderedOutput(<span prop="Initial" />);
    });
  });
  it('regression test: resets current "debug phase" after suspending', async () => {
    function App() {
      return (
        <Suspense fallback="Loading...">
          <Foo suspend={false} />
        </Suspense>
      );
    }
    const thenable = {then() {}};
    let foo;
    class Foo extends React.Component {