@Test
  public void testImportVectorized() throws Exception {
    hiveConf.setBoolVar(HiveConf.ConfVars.HIVE_VECTORIZATION_ENABLED, true);
    testImport(true);
  }
tests import where target table does not exists.
ql/src/test/org/apache/hadoop/hive/ql/TestTxnExIm.java