Function flushMicrotasks

src/test-helpers/deferred.ts:41–45

(ticks: number = 5)

 * Use after triggering an async operation you want to observe mid-flight.
 */
export async function flushMicrotasks(ticks: number = 5): Promise<void> {
  for (let i = 0; i < ticks; i++) {
    await Promise.resolve()
  }
}

/**
 * Yield to the event loop (macrotasks) so real I/O promises (fs.writeFile,