TestNodeBlacklistingOnAMFailures fails on trunk

Running org.apache.hadoop.yarn.server.resourcemanager.TestNodeBlacklistingOnAMFailures
Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 2.28 sec <<< FAILURE! - in org.apache.hadoop.yarn.server.resourcemanager.TestNodeBlacklistingOnAMFailures
testNodeBlacklistingOnAMFailure(org.apache.hadoop.yarn.server.resourcemanager.TestNodeBlacklistingOnAMFailures)  Time elapsed: 0.241 sec  <<< FAILURE!
java.lang.AssertionError: AppAttemptState should still be SCHEDULED if currentNode is blacklisted correctly expected:<SCHEDULED> but was:<ALLOCATED>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.apache.hadoop.yarn.server.resourcemanager.TestNodeBlacklistingOnAMFailures.testNodeBlacklistingOnAMFailure(TestNodeBlacklistingOnAMFailures.java:110)

java.lang.AssertionError: After blacklisting, AM should have run on the other node expected:<127.0.0.2:2345> but was:<127.0.0.1:1234>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.apache.hadoop.yarn.server.resourcemanager.TestNodeBlacklistingOnAMFailures.testNodeBlacklistingOnAMFailure(TestNodeBlacklistingOnAMFailures.java:131)