anchor.diff:      meck:expect(application, get_env,
           fun(_, Param) ->
               case Param of
  -                zone_domain -> {ok, "onedata.org"};
  +                oz_domain -> {ok, "onedata.org"};
                   provider_domain -> {ok, "prov.onedata.org"}
               end
           end).
  
positive.code:         fun(_, Param) ->
              case Param of
                  dns_worker_plugin -> {ok, dns_worker_plugin};
                  zone_domain -> {ok, "onedata.org"};
                  provider_domain -> {ok, "prov.onedata.org"};
                  current_loglevel -> {ok, info};
                  dns_a_response_ttl -> {ok, 60};
  
negative.code:             ?assertEqual(ok, dns_worker_plugin:parse_domain("www.part.prov.onedata.org")),
              ?assertEqual(nx_domain, dns_worker_plugin:parse_domain("www.part1.part2.prov.onedata.org")),
              ?assertEqual(refused, dns_worker_plugin:parse_domain("agh.edu.pl")),
              ?assertEqual(8, meck:num_calls(application, get_env, ['_', oz_domain])),
              ?assertEqual(8, meck:num_calls(application, get_env, ['_', provider_domain])),
              ?assert(meck:validate(application))
          end]}.
  