@Test
  public void testGetInputPathsWithASingleThread() throws Exception {
    final int NUM_PARTITIONS = 5;

    JobConf jobConf = new JobConf();

    jobConf.setInt(HiveConf.ConfVars.HIVE_EXEC_INPUT_LISTING_MAX_THREADS.varname, 1);
    runTestGetInputPaths(jobConf, NUM_PARTITIONS);
  }
Test for {@link Utilities#getInputPaths(JobConf, MapWork, Path, Context, boolean)} with a single
threaded.
ql/src/test/org/apache/hadoop/hive/ql/exec/TestUtilities.java