private void createCluster(String clusterName, String stackVersion) throws AmbariException, AuthorizationException {
    ClusterRequest r = new ClusterRequest(null, clusterName, State.INSTALLED.name(),
        SecurityType.NONE, stackVersion, null);
    ambariManagementController.createCluster(r);
  }
Tests that when {@link ActionExecutionContext#isFutureCommand()} is set, invalid
hosts/components are still scheduled.

@throws Exception
ambari-server/src/test/java/org/apache/ambari/server/controller/AmbariCustomCommandExecutionHelperTest.java