@RunWith(SpringRunner.class)
@ContextConfiguration(locations = "/applicationContext_forNetworkSlicing.xml")
public class ProcessServiceInstantiationFeasibilitySuccessTest {

@Autowired
private RuntimeService runtimeService;

@Autowired
@Rule
public ProcessEngineRule processEngineRule;

@Test
@Deployment(resources =

{"process/ProcessServiceInstantiationFeasibility.bpmn"}

)
public void serviceInstantiationFeasibilitySuccess() {
// given
BpmnAwareTests.init(processEngineRule.getProcessEngine());
Map<String, Object> variables = new HashMap<>();
variables.put("id","42");
variables.put("href","http://serverlocation:port/orderManagement/serviceOrder/42");

// when
ProcessInstance instance = runtimeService
.startProcessInstanceByKey("ProcessServiceInstantiationFeasibility", "businessKey", variables);

TaskService taskService = processEngineRule.getTaskService();
Task task = taskService.createTaskQuery().singleResult();
assertEquals("Validate Incoming Request", task.getName());

Here task is null always. Why?