@Test
public void testJSONWithOnlyServiceNameAndConfigurations() throws AmbariException {

  String JSON_VALUE_ONLY_NAME_AND_CONFIGS =
      "{" +
          "  \"name\": \"SERVICE_NAME\"," +
          "  \"configurations\": [" +
          "    {" +
          "      \"service-site\": {" +
          "        \"service.property1\": \"value1\"," +
          "        \"service.property2\": \"value2\"" +
          "      }" +
          "    }" +
          "  ]" +
          "}";
  TreeMap<String, Object> CHANGE_NAME = new TreeMap<String, Object>() {{
    put("name", "A_DIFFERENT_SERVICE_NAME");
  }};
  KerberosServiceDescriptor serviceDescriptor = KERBEROS_SERVICE_DESCRIPTOR_FACTORY.createInstance("SERVICE_NAME", JSON_VALUE_ONLY_NAME_AND_CONFIGS);
  KerberosServiceDescriptor updatedServiceDescriptor = new KerberosServiceDescriptor(CHANGE_NAME);
  Assert.assertNotNull(serviceDescriptor);
  Assert.assertNotNull(updatedServiceDescriptor);
  // Update
  serviceDescriptor.update(updatedServiceDescriptor);
  // Validate
  Assert.assertNotNull(serviceDescriptor);
  Assert.assertEquals("A_DIFFERENT_SERVICE_NAME", serviceDescriptor.getName());
}