hg: code-tools/jtreg: make test less environmentally sensitive

[jonathan.gibbons at oracle.com]

Changeset: 746c6d132872
Author:    jjg
Date:      2017-10-30 15:22 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/746c6d132872

make test less environmentally sensitive

! test/rerun/RerunTest.gmk
! test/rerun/std/AppletTest.agentvm.out
! test/rerun/std/AppletTest.othervm.out
! test/rerun/std/BuildTest.agentvm.out
! test/rerun/std/BuildTest.othervm.out
! test/rerun/std/CompileTest.agentvm.out
! test/rerun/std/CompileTest.othervm.out
! test/rerun/std/JUnitTest.agentvm.out
! test/rerun/std/JUnitTest.othervm.out
! test/rerun/std/MainTest.agentvm.out
! test/rerun/std/MainTest.othervm.out
! test/rerun/std/ShellTest.agentvm.out
! test/rerun/std/ShellTest.othervm.out
! test/rerun/std/TestNGTest.agentvm.out
! test/rerun/std/TestNGTest.othervm.out
! test/rerun/testng/TestNGTest.agentvm.out
! test/rerun/testng/TestNGTest.othervm.out