OAK-1297: MoveDetector does not detect moved nodes that have been moved in an earlier commit already
Generalise / simplify MoveDetectorTest

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1552272 13f79535-47bb-0310-9956-ffa450edef68
OAK-1297: MoveDetector does not detect moved nodes that have been moved in an earlier commit already
Test case

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1552273 13f79535-47bb-0310-9956-ffa450edef68