@Test
public void getApexDFSRootDirLegacy() throws IOException
{

  Configuration conf = new YarnConfiguration(new Configuration(false));
  conf.set(StramClientUtils.DT_DFS_ROOT_DIR, "/a/b/c");
  conf.setBoolean(StramUserLogin.DT_APP_PATH_IMPERSONATED, false);
  FileSystem fs = FileSystem.newInstance(conf);
  Path path = StramClientUtils.getApexDFSRootDir(fs, conf);
  Assert.assertEquals("file:/a/b/c", path.toString());
}