assertThat(idleLatch.count).isEqualTo(1)

    taskFaker.advanceUntil(0.µs)
    assertThat(log).containsExactly("run@0")

    assertThat(idleLatch.count).isEqualTo(0)
  }

  @Test fun multipleCallsToIdleLatchReturnSameInstance() {
    redQueue.execute("task") {
      log += "run@${taskFaker.nanoTime}"
    }

    val idleLatch1 = redQueue.idleLatch()
    val idleLatch2 = redQueue.idleLatch()