anchor.diff:          method_should_return_unauthorized_error,
           method_should_return_forbidden_error,
           get_should_return_provider_details,
  +        get_should_return_cluster_ips,
           put_should_register_provider,
           patch_should_modify_provider_details,
  +        patch_should_modify_provider_ips,
           delete_should_unregister_provider,
           get_should_return_supported_spaces,
           put_should_create_or_support_space,
  
positive.code:     ] end),
      NewConfig;
  
  init_per_testcase(get_should_return_supported_spaces, Config) ->
      NewConfig = init_per_testcase(default, Config),
      Nodes = ?config(oneprovider_nodes, Config),
  
negative.code:     method_should_return_unauthorized_error/1,
      method_should_return_forbidden_error/1,
      get_should_return_provider_details/1,
      get_should_return_cluster_ips/1,
      put_should_register_provider/1,
      patch_should_modify_provider_details/1,
      patch_should_modify_provider_ips/1,
      delete_should_unregister_provider/1,
      get_should_return_supported_spaces/1,
      put_should_create_or_support_space/1,
  