@Test
    void testDecryptDes() throws GeneralSecurityException, NoSuchAlgorithmException {
        KeyGenerator keyGen = KeyGenerator.getInstance("DES");
        keyGen.init(56);
        SecretKey secretKey = keyGen.generateKey();
        Key key = new KerberosKey(null, secretKey.getEncoded(), KerberosConstants.DES_ENC_TYPE, 0);
        byte[] data = new byte[32]; // Dummy data, must be multiple of 8

  }

  @Generates
  static <E> ImmutableCollection<E> generateImmutableCollection(E freshElement) {
    return generateImmutableList(freshElement);
  }

  @Generates
  static <E> Set<E> generateSet(@Nullable E freshElement) {
    return generateHashSet(freshElement);
  }

  @Generates
  static <E> HashSet<E> generateHashSet(@Nullable E freshElement) {
    return generateLinkedHashSet(freshElement);
  }

  }

  @Generates
  static <E> ImmutableCollection<E> generateImmutableCollection(E freshElement) {
    return generateImmutableList(freshElement);
  }

  @Generates
  static <E> Set<E> generateSet(@Nullable E freshElement) {
    return generateHashSet(freshElement);
  }

  @Generates
  static <E> HashSet<E> generateHashSet(@Nullable E freshElement) {
    return generateLinkedHashSet(freshElement);
  }