DERBY-6413; test failure in XML tests, TriggerTests and BooleanValuesTest with ibm 1.6 sr 15 in 10.7 and earlier
   merge of r541311 from 10.7 to run affected tests without SecurityManager.


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/branches/10.6@1541319 13f79535-47bb-0310-9956-ffa450edef68