AssignActionHandler.assignments = new ArrayList();
ProcessInstance processInstance = new ProcessInstance(processDefinition);
processInstance.getContextInstance().setVariable("assignmentBean", new AssignmentBean());
processInstance.signal();
TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();
TaskInstance doSomething = (TaskInstance) taskMgmtInstance.getTaskInstances().iterator().next();
assertEquals("you", doSomething.getActorId());
assertNull(doSomething.getPooledActors());