OAK-1197: occasional test failure in org.apache.jackrabbit.oak.security.authorization.evaluation.MultipleSessionsACLStabilityTest.testAllowChild3
- ignore test for now

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1545172 13f79535-47bb-0310-9956-ffa450edef68