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 {
  debugRenderPhaseSideEffectsForStrictMode,
  disableLegacyContext,
  disableModulePatternComponents,
  enableProfilerTimer,
  enableSchedulerTracing,
  enableSuspenseServerRenderer,
  enableFundamentalAPI,
  warnAboutDefaultPropsOnFunctionComponents,
  enableScopeAPI,
  enableBlocksAPI,
} from 'shared/ReactFeatureFlags';
import invariant from 'shared/invariant';
import shallowEqual from 'shared/shallowEqual';
import getComponentName from 'shared/getComponentName';
import ReactStrictModeWarnings from './ReactStrictModeWarnings';
import {REACT_LAZY_TYPE, getIteratorFn} from 'shared/ReactSymbols';
import {
  getCurrentFiberOwnerNameInDevOrNull,
  setIsRendering,
} from './ReactCurrentFiber';
import {startWorkTimer, cancelWorkTimer} from './ReactDebugFiberPerf';
import {
  resolveFunctionForHotReloading,
  resolveForwardRefForHotReloading,
  resolveClassForHotReloading,
} from './ReactFiberHotReloading';
import {
  mountChildFibers,
  reconcileChildFibers,