NXP-14070: run tests as system and enable all ignored tests

Conflicts:
	nuxeo-routing-core/src/test/java/org/nuxeo/ecm/platform/routing/test/WorkflowEscalationTest.java
	nuxeo-routing-core/src/test/java/org/nuxeo/ecm/platform/routing/test/WorkflowOperationsTest.java