stack.runTearDown();

    assertEquals("tearDownOne should have run", true, tearDownOne.ran);
    assertEquals("tearDownTwo should have run", true, tearDownTwo.ran);
  }

  public void testThrowingTearDown() throws Exception {
    TearDownStack stack = buildTearDownStack();

    ThrowingTearDown tearDownOne = new ThrowingTearDown("one");
    stack.addTearDown(tearDownOne);