TestHFileOutputFormat.testMRIncremental* fails against hadoop2 profile

<testcase time="33.942" classname="org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat" name="testMRIncrementalLoad">
    <failure type="java.lang.AssertionError">java.lang.AssertionError
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat.runIncrementalPELoad(TestHFileOutputFormat.java:468)
        at org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat.doIncrementalLoadTest(TestHFileOutputFormat.java:378)
        at org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat.testMRIncrementalLoad(TestHFileOutputFormat.java:348)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
...

  <testcase time="34.324" classname="org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat" name="testMRIncrementalLoadWithSplit">
    <failure type="java.lang.AssertionError">java.lang.AssertionError
        at org.junit.Assert.fail(Assert.java:86)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at org.junit.Assert.assertTrue(Assert.java:52)
        at org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat.runIncrementalPELoad(TestHFileOutputFormat.java:468)
        at org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat.doIncrementalLoadTest(TestHFileOutputFormat.java:378)
        at org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat.testMRIncrementalLoadWithSplit(TestHFileOutputFormat.java:354)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        ...