@Test
 public void testGetWorkflowMetadata() {
   workflowService.getWorkflowMetadata(DUMMY_ID, DUMMY_ID, Optional.empty());
   verify(workflowRevisionService, times(1))
       .getWorkflow(DUMMY_ID, DUMMY_ID, Optional.empty(), Optional.empty());
 }
 @Test
 public void testListWorkflows() {
   workflowService.listWorkflows(DUMMY_ID, null, null);
   verify(workflowRevisionService, times(1)).listWorkflows(DUMMY_ID, Optional.empty(), null, null);
 }
 @Test
 public void testCreateWorkflow() {
   workflowService.createWorkflow(DUMMY_ID, null);
   verify(workflowRevisionService, times(1))
       .createWorkflowRevision(DUMMY_ID, Optional.empty(), null);
 }