monitor = new Monitor(fair);
    tearDownStack.addTearDown(thread1 = new TestThread<>(monitor, "TestThread #1"));
    tearDownStack.addTearDown(thread2 = new TestThread<>(monitor, "TestThread #2"));
  }

  @Override
  protected final void tearDown() {
    tearDownStack.runTearDown();
  }

  private String enter() {
    return interruptible ? "enterInterruptibly" : "enter";
  }