[8u60] approval request for 8078384:Test execution blocker: Nashorn testsuite failing due to compile error in jdk/nashorn/api/scripting/test/ScriptEngineTest.java

[A. Sundararajan]

Bug: https://bugs.openjdk.java.net/browse/JDK-8078384
Webrev: http://cr.openjdk.java.net/~sundar/8078384/

Not a backport. Taking care of an issue caused by a recent merge. 
Removing duplicated code in a test. CC'ing nashorn team.

Thanks,
-Sundar