public static Set<ServiceComponentHostRequest> getHostComponentRequestSet(
        String clusterName, String serviceName, String componentName, String hostName,
        Map<String, String> configVersions, String desiredState)
    {
      EasyMock.reportMatcher(new HostComponentRequestSetMatcher(
          clusterName, serviceName, componentName, hostName, configVersions, desiredState));
      return null;
    }
Utility class for getting various AmbariManagmentController request related matchers.
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/AbstractResourceProviderTest.java