runtimeService2.startProcessInstanceById(processDefinitionId);
Task task = taskService2.createTaskQuery().singleResult();
assertEquals("original task", task.getName());
// Delete the deployment on second process engine
repositoryService2.deleteDeployment(deploymentId, true);
assertEquals(0, repositoryService2.createDeploymentQuery().count());
assertEquals(0, runtimeService2.createProcessInstanceQuery().count());
// deploy a revised version of the process: start->revisedTask->end on first process engine
//