@BeforeClass
  public static void beforeAllTests() throws IOException {
    // Disable logging.
    Logger.getRootLogger().setLevel(Level.OFF);

    ghfs = GoogleHadoopFileSystemTestHelper.createInMemoryGoogleHadoopGlobalRootedFileSystem();
    ghfsFileSystemDescriptor = (FileSystemDescriptor) ghfs;

    GoogleHadoopGlobalRootedFileSystemIntegrationTest.postCreateInit();
  }
 @AfterClass
 public static void afterAllTests() throws IOException {
   GoogleHadoopGlobalRootedFileSystemIntegrationTest.afterAllTests();
 }