0.3: Comment out observation test case that behaves differently in Jackrabbit 2.5.0
0.3: Comment out observation test case that behaves differently in Jackrabbit 2.5.0

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1356325 13f79535-47bb-0310-9956-ffa450edef68

apache/jackrabbit-oak,mreutegg/jackrabbit-oak,anchela/jackrabbit-oak,amit-jain/jackrabbit-oak,trekawek/jackrabbit-oak,amit-jain/jackrabbit-oak,mreutegg/jackrabbit-oak,anchela/jackrabbit-oak,amit-jain/jackrabbit-oak,anchela/jackrabbit-oak,apache/jackrabbit-oak,trekawek/jackrabbit-oak,anchela/jackrabbit-oak,apache/jackrabbit-oak,anchela/jackrabbit-oak,mreutegg/jackrabbit-oak,apache/jackrabbit-oak,trekawek/jackrabbit-oak,mreutegg/jackrabbit-oak,apache/jackrabbit-oak,mreutegg/jackrabbit-oak,amit-jain/jackrabbit-oak,trekawek/jackrabbit-oak,trekawek/jackrabbit-oak,amit-jain/jackrabbit-oak