test(engine-integration): add testcase for PA embedded process engine plugin

- works on all app servers except JBoss, because of different implementation inside
JBoss subsystem

related to CAM-1778
feat(engine/history): unify activity instance query mapping

related to #CAM-1656
fix(engine/receive): sequential test case with user task

related to #CAM-1612
Merge branch 'master' into CAM-1182-task-owner