[NASHORN] Test test/script/basic/JDK-8025488.js fails in nightly builds

Testsuite name: Nashorn
Test name: test/script/basic/JDK-8025488.js
JDK tested: JDK 8 b111
OS tested: Windows 64 bit
Test fails since revision
585:cd7fb58043cb: http://hg.openjdk.java.net/nashorn/jdk8/nashorn/rev/cd7fb58043cb

LOG:

<error type="java.lang.AssertionError" message="Test test/script/basic/JDK-8025488.js failed at line 2 -
  expected: &#039;/011at MyError (test/script/basic/JDK-8025488.js:34)&#039;
     found: &#039;/011at MyError (test/script/basic/JDK-8025488.js:34)&#039;">
      <![CDATA[java.lang.AssertionError: Test test/script/basic/JDK-8025488.js failed at line 2 -
  expected: '/011at MyError (test/script/basic/JDK-8025488.js:34)'
     found: '/011at MyError (test/script/basic/JDK-8025488.js:34)'
at org.testng.Assert.fail(Assert.java:89)
at jdk.nashorn.internal.test.framework.ScriptRunnable.fail(ScriptRunnable.java:97)
at jdk.nashorn.internal.test.framework.AbstractScriptRunnable.compare(AbstractScriptRunnable.java:263)
at jdk.nashorn.internal.test.framework.ScriptRunnable.compare(ScriptRunnable.java:239)
at jdk.nashorn.internal.test.framework.ScriptRunnable.executeInThisProcess(ScriptRunnable.java:160)
at jdk.nashorn.internal.test.framework.ScriptRunnable.execute(ScriptRunnable.java:83)
at jdk.nashorn.internal.test.framework.AbstractScriptRunnable.runTest(AbstractScriptRunnable.java:132)
at jdk.nashorn.internal.test.framework.ScriptRunnable.runTest(ScriptRunnable.java:75)
at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:491)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:715)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:907)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1237)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:51)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:85)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1197)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1122)
at org.testng.TestNG.run(TestNG.java:1030)
at org.testng.TestNG.privateMain(TestNG.java:1337)
at org.testng.TestNG.main(TestNG.java:1306)
]]>
    </error>