code: /** 
   * Method: Map<String, ServiceInfo> getServices(String stackName, String version, String serviceName)
   */
  @Test public void getServices(){
    Map<String,ServiceInfo> services=metaInfo.getServices(STACK_NAME_HDP,STACK_VERSION_HDP);
    LOG.info("Getting all the services ");
    for (  Map.Entry<String,ServiceInfo> entry : services.entrySet()) {
      LOG.info("Service Name " + entry.getKey() + " values "+ entry.getValue());
    }
    assertTrue(services.containsKey("HDFS"));
    assertTrue(services.containsKey("MAPREDUCE"));
    assertNotNull(services);
    assertNotSame(services.keySet().size(),0);
  }
  