java.lang.AssertionError: expected:<[<X:exclusivity=true>]> but was:<[<A:exclusivity=true>]>
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.junit.Assert.assertEquals(Assert.java:144)
at org.apache.hadoop.yarn.nodelabels.NodeLabelTestBase.assertNLCollectionEquals(NodeLabelTestBase.java:117)
at org.apache.hadoop.yarn.server.nodemanager.nodelabels.TestConfigurationNodeLabelsProvider.testConfigTimer(TestConfigurationNodeLabelsProvider.java:144)