https://codesandbox.io/s/upbeat-frost-3tt25

1. Press Suspend, see "Loading..."
2. Wait five seconds, you'll see "Happy birthday" at some point 
3. You won't see it again no matter how long you wait

Expected: you'll see it every five seconds.
let [text, setText] = React.useState('-');
      updateAdjacent = setText;
      return <Text text={text} />;
    }
    function Foo() {
      return (
        <div>
          <SuspenseList revealOrder="forwards">
            <Text text="A" />
            <Text text="B" />
          </SuspenseList>
          <Adjacent />
        </div>
      );
    }
    ReactNoop.render(<Foo />);
    expect(Scheduler).toFlushAndYield(['A', 'B', '-']);
    expect(ReactNoop).toMatchRenderedOutput(
      <div>
        <span>A</span>