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 React;
let ReactFeatureFlags;
let ReactNoop;
let Scheduler;
let Suspense;
let SuspenseList;
describe('ReactSuspenseList', () => {
  if (!__EXPERIMENTAL__) {
    it("empty test so Jest doesn't complain", () => {});
    return;
  }
  beforeEach(() => {
    jest.resetModules();
    ReactFeatureFlags = require('shared/ReactFeatureFlags');
    ReactFeatureFlags.debugRenderPhaseSideEffectsForStrictMode = false;
    ReactFeatureFlags.replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
    ReactFeatureFlags.enableSuspenseServerRenderer = true;
    React = require('react');
    ReactNoop = require('react-noop-renderer');
    Scheduler = require('scheduler');
    Suspense = React.Suspense;
    SuspenseList = React.SuspenseList;
  });
  function Text(props) {