DERBY-5865; On IBM 1.7 TestDurabilityProperty fails with FAIL -- derby.system.durability=test mode seems to be broken.
   Commenting out the section that compares the timing, with a comment referring to this JIRA.


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1551311 13f79535-47bb-0310-9956-ffa450edef68