Failed

org.eclipse.mat.tests.collect.ExtractCollectionEntriesTest3.testCollections[org.eclipse.mat.hprof.acquire.JMapHeapDumpProvider acquire_dump_1.hprof 5 java.lang.ProcessEnvironment$StringEnvironment] (from org.eclipse.mat.tests.AllTests)

Failing for the past 2 builds (Since #875 )

Error Message

java.lang.ProcessEnvironment$StringEnvironment @ 0xfce27e40: Key should be a number or aAbB
Expected: a string matching '[0-9]+|[aAbB]+'
     but: was "java.lang.ProcessEnvironment$Variable @ 0xfce44550"

Stacktrace

java.lang.AssertionError: java.lang.ProcessEnvironment$StringEnvironment @ 0xfce27e40: Key should be a number or aAbB
Expected: a string matching '[0-9]+|[aAbB]+'
     but: was "java.lang.ProcessEnvironment$Variable @ 0xfce44550"
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:956)
	at org.junit.rules.ErrorCollector$1.call(ErrorCollector.java:65)
	at org.junit.rules.ErrorCollector.checkSucceeds(ErrorCollector.java:78)
	at org.junit.rules.ErrorCollector.checkThat(ErrorCollector.java:63)
	at org.eclipse.mat.tests.collect.ExtractCollectionEntriesBase.checkHashEntries(ExtractCollectionEntriesBase.java:235)
	at org.eclipse.mat.tests.collect.ExtractCollectionEntriesTest2.testCollections5(ExtractCollectionEntriesTest2.java:321)
	at org.eclipse.mat.tests.collect.ExtractCollectionEntriesTest3.testCollections(ExtractCollectionEntriesTest3.java:241)