@Override
  public void setStoragePolicy(Path src, String policyName) throws IOException {
    super.setStoragePolicy(fullPath(src), policyName);
  }
@Test(timeout = 30000)
  public void testSetStoragePolicy() throws Exception {
    Path storagePolicyPath = new Path("/storagePolicy");
    Path chRootedStoragePolicyPath = new Path("/a/b/storagePolicy");

    Configuration conf = new Configuration();
    conf.setClass("fs.mockfs.impl", MockFileSystem.class, FileSystem.class);

    URI chrootUri = URI.create("mockfs://foo/a/b");
    ChRootedFileSystem chrootFs = new ChRootedFileSystem(chrootUri, conf);
    FileSystem mockFs = ((FilterFileSystem) chrootFs.getRawFileSystem())
        .getRawFileSystem();

    chrootFs.setStoragePolicy(storagePolicyPath, "HOT");
    verify(mockFs).setStoragePolicy(chRootedStoragePolicyPath, "HOT");
  }