@Before
  public void skipMiniCluster() {
    // test probably also works with a local cluster, but
    // IntegrationTestingUtility doesn't support this concept.
    assumeTrue("test requires a distributed cluster.", util.isDistributedCluster());
  }
Test that we add tmpjars correctly including the named dependencies. Runs as an integration test
so that classpath is realistic.
hbase-it/src/test/java/org/apache/hadoop/hbase/mapreduce/IntegrationTestTableMapReduceUtil.java