HistoricVariableUpdate update1 = updatesMap.get("1");
HistoricVariableUpdate update2 = updatesMap.get("2");
assertNotNull(update1.getActivityInstanceId());
assertNotNull(update1.getExecutionId());
HistoricActivityInstance historicActivityInstance1 = historyService.createHistoricActivityInstanceQuery().activityInstanceId(update1.getActivityInstanceId()).singleResult();
assertEquals(historicActivityInstance1.getExecutionId(), update1.getExecutionId());
assertEquals("usertask1", historicActivityInstance1.getActivityId());
assertNotNull(update2.getActivityInstanceId());
HistoricActivityInstance historicActivityInstance2 = historyService.createHistoricActivityInstanceQuery().activityInstanceId(update2.getActivityInstanceId()).singleResult();
assertEquals("usertask2", historicActivityInstance2.getActivityId());
/*
* This is OK! The variable is set on the root execution, on a execution never run through the activity, where the process instances
* stands when calling the set Variable. But the ActivityId of this flow node is used. So the execution id's doesn't have to be equal.
*
* execution id: On which execution it was set
* activity id: in which activity was the process instance when setting the variable
*/
assertFalse(historicActivityInstance2.getExecutionId().equals(update2.getExecutionId()));
}