Merge pull request #245 from flytreeleft/master

Invoking setProcessEngine(ProcessEngine processEngine) in ActivitiRule(ProcessEngine processEngine) to ensure all services are initialized

modules/activiti-engine/src/main/java/org/activiti/engine/test/ActivitiRule.java

@@ -108,7 +108,7 @@ public class ActivitiRule implements TestRule {
 	}
 
 	public ActivitiRule(ProcessEngine processEngine) {
-		this.processEngine = processEngine;
+		setProcessEngine(processEngine);
 	}
 
 	/**