anchor.diff:      StaticSubdomain = <<"test">>,
       StaticNSSubdomain = <<"test">>,
   
  -    set_dns_config(Config, static_a_records, [{StaticSubdomain, [{1, 1, 1, 1}]}]),
  +    set_env(Config, dns_static_a_records, [{StaticSubdomain, [{1, 1, 1, 1}]}]),
       % ns records should also block setting subdomain
  -    set_dns_config(Config, static_ns_records, [{StaticNSSubdomain, [StaticNSSubdomain]}]),
  +    set_env(Config, dns_static_ns_records, [{StaticNSSubdomain, [StaticNSSubdomain]}]),
       {ok, {P1, _}} = oz_test_utils:create_provider(Config, Name1),
       {ok, {P2, _}} = oz_test_utils:create_provider(Config, Name2),
   
  
positive.code: 
      Minimum = 4,
      Maximum = 5,
      set_dns_config(Config, ns_max_entries, Maximum),
      set_dns_config(Config, ns_min_entries, Minimum),
  
      % force dns update
      ?assertEqual(ok, oz_test_utils:call_oz(Config,
  
negative.code: 
  end_per_testcase(static_subdomain_does_not_shadow_provider_subdomain_test, Config) ->
      lists:foreach(fun(Env) ->
          set_env(Config, Env, [])
      end, [dns_static_a_records, dns_static_ns_records, dns_static_mx_records,
          dns_static_txt_records, dns_static_cname_records]),
  
      oz_test_utils:delete_all_entities(Config),
      ok;
  