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.
import {
  suspenseStackCursor,
  pushSuspenseContext,
  InvisibleParentSuspenseContext,
  ForceSuspenseFallback,
  hasSuspenseContext,
  setDefaultShallowSuspenseContext,
  addSubtreeSuspenseContext,
  setShallowSuspenseContext,
} from './ReactFiberSuspenseContext';
import {findFirstSuspended} from './ReactFiberSuspenseComponent';
import {
  pushProvider,
  propagateContextChange,
  readContext,
  prepareToReadContext,
  calculateChangedBits,
  scheduleWorkOnParentPath,
} from './ReactFiberNewContext';
import {renderWithHooks, bailoutHooks} from './ReactFiberHooks';
import {stopProfilerTimerIfRunning} from './ReactProfilerTimer';
import {
  getMaskedContext,
  getUnmaskedContext,
  hasContextChanged as hasLegacyContextChanged,
  pushContextProvider as pushLegacyContextProvider,
  isContextProvider as isLegacyContextProvider,
  pushTopLevelContextObject,
  invalidateContextProvider,
} from './ReactFiberContext';