resolve obsolete TODOs

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1572172 13f79535-47bb-0310-9956-ffa450edef68
OAK-1317: remove ignore from test as it doesn't fail for me anymore

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1572173 13f79535-47bb-0310-9956-ffa450edef68