anchor.diff:     fun prometheus_eunit_common:stop/1,
      [fun test_registration/1,
       fun test_errors/1,
  -    fun test_int/1,
  -    fun test_double/1,
  +    fun test_inc/1,
  +    fun test_dinc/1,
       fun test_remove/1,
       fun test_undefined_value/1]}.
   
  
positive.code:   [?_assertEqual(4, Value),
     ?_assertEqual(0, RValue)].
  
  test_double(_) ->
    prometheus_counter:new([{name, http_requests_total}, {help, "Http request count"}]),
    prometheus_counter:dinc(http_requests_total),
    prometheus_counter:dinc(http_requests_total, 3.5),
    timer:sleep(10), %% dinc is async so lets make sure gen_server processed our increment request
    Value = prometheus_counter:value(http_requests_total),
    prometheus_counter:reset(http_requests_total),
    RValue = prometheus_counter:value(http_requests_total),
  
negative.code:    ?_assertEqual(false, RResult4)].
  
  test_undefined_value(_) ->
    prometheus_counter:new([{name, http_requests_total},
                            {labels, [method]},
                            {help, "Http request count"}]),
    UndefinedValue = prometheus_counter:value(http_requests_total, [post]),
    [?_assertEqual(undefined, UndefinedValue)].
  