TaskService taskService = mock(TaskService.class);
RuntimeService runtimeService = mock(RuntimeService.class);
FormService formService = mock(FormService.class);
HistoryService historyService = mock(HistoryService.class);
ManagementService managementService = mock(ManagementService.class);
CaseService caseService = mock(CaseService.class);
FilterService filterService = mock(FilterService.class);
when(engine.getRepositoryService()).thenReturn(repoService);
when(engine.getIdentityService()).thenReturn(identityService);
when(engine.getTaskService()).thenReturn(taskService);