Failed

org.eclipse.mat.tests.collect.ExtractCollectionEntriesTest3.testCollections[org.eclipse.mat.hprof.acquire.JMapHeapDumpProvider acquire_dump_1.hprof 2 java.lang.ProcessEnvironment$StringKeySet] (from org.eclipse.mat.tests.AllTests)

Failing for the past 2 builds (Since #875 )

Error Message

java.lang.ProcessEnvironment$StringKeySet @ 0xf20479d0: Key contains name of collection class or a number or aAbB
Expected: (a string containing "java.lang.ProcessEnvironment$StringKeySet" or a string matching '[0-9]+|[aAbB]+')
     but: was "java.lang.ProcessEnvironment$Variable @ 0xfce42fd8"

Stacktrace

java.lang.AssertionError: java.lang.ProcessEnvironment$StringKeySet @ 0xf20479d0: Key contains name of collection class or a number or aAbB
Expected: (a string containing "java.lang.ProcessEnvironment$StringKeySet" or a string matching '[0-9]+|[aAbB]+')
     but: was "java.lang.ProcessEnvironment$Variable @ 0xfce42fd8"
	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:244)
	at org.eclipse.mat.tests.collect.ExtractCollectionEntriesTest2.testCollections2(ExtractCollectionEntriesTest2.java:169)
	at org.eclipse.mat.tests.collect.ExtractCollectionEntriesTest3.testCollections(ExtractCollectionEntriesTest3.java:229)