Remove old JUnit jar
Remove old JUnit jar

GoogleCloudPlatform/appengine-gcs-client,aozarov/appengine-gcs-client,aozarov/appengine-gcs-client,GoogleCloudPlatform/appengine-gcs-client,aozarov/appengine-gcs-client,GoogleCloudPlatform/appengine-gcs-client