@Test
  public void testFindPetsByTags() throws Exception {
    Pet pet = createRandomPet();
    pet.setName("monster");
    pet.setStatus(Pet.StatusEnum.AVAILABLE);

    List<Tag> tags = new ArrayList<Tag>();
    Tag tag1 = new Tag();
    tag1.setName("friendly");
    tags.add(tag1);
    pet.setTags(tags);

    api.updatePet(pet);

    List<Pet> pets = api.findPetsByTags(Arrays.asList(new String[] {"friendly"}));
    assertNotNull(pets);

    boolean found = false;
    for (Pet fetched : pets) {
      if (fetched.getId().equals(pet.getId())) {
        found = true;
        break;
      }
    }
    assertTrue(found);
  }