private void installHdfsService() throws Exception {
    String serviceName = "HDFS";
    m_serviceFactory.createNew(m_cluster, serviceName, m_repositoryVersion);
    Assert.assertNotNull(m_cluster.getService(serviceName));
  }
Tests that when a new alert is received that an {@link InitialAlertEvent}
is fired.

@throws Exception
ambari-server/src/test/java/org/apache/ambari/server/state/alerts/InitialAlertEventTest.java