"FINE: Q10000 starting              : task three",
      "FINE: Q10000 finished run in   0 µs: task three",
    )
  }

  /** Inspect how many runnables have been enqueued. If non-zero then we're truly parallel. */
  @Test fun differentQueuesAreParallel() {
    redQueue.execute("task one", 100.µs) {
      log += "one:run@${taskFaker.nanoTime} parallel=${taskFaker.isParallel}"
    }