@Before
  public void setUp() {
    hangLatch = new CountDownLatch(1);
    terminateLatch = new CountDownLatch(1);
    invocations = mock(Awaits.Invocations.class);
  }
Integration tests for {@link ExecutorServiceRule}. These are tests that pause a little longer
than acceptable for a unit test.
geode-junit/src/integrationTest/java/org/apache/geode/test/junit/rules/ExecutorServiceRuleIntegrationTest.java