HBASE-8860 TestTableLockManager#testTableReadLock times out sometimes

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1499589 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8857 TestGet#testDynamicFilter fails sometimes

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1499592 13f79535-47bb-0310-9956-ffa450edef68