DERBY-6314; test failure in XML tests, TriggerTests and BooleanValuesTest with ibm 1.6 sr 15 in 10.7 and earlier
   backport of r154327 from 10.5 to run affected tests without security manager.


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/branches/10.3@1541349 13f79535-47bb-0310-9956-ffa450edef68