@Override
  @After
  public void tearDown() throws Exception {
    super.tearDown();
    UserLocal.dropAllConnections(TempletonApi.class);
    UserLocal.dropAllConnections(HdfsApi.class);
  }
Test cases that verify all services altogether
contrib/views/pig/src/test/java/org/apache/ambari/view/pig/test/IntegrationalTest.java