public void Generate_WhenCalledMutipleTimes_ResultIsUnique()
        {
            var generator = new HumanReadableUniqueId();

            var resultId1 = generator.Generate();
            var resultId2 = generator.Generate();
            var resultId3 = generator.Generate();

            resultId3.ShouldNotBe(resultId1);
            resultId3.ShouldNotBe(resultId2);
        }
        public void Generate_WhenCalled_ResultIsNotNullOrEmptyAndAreSixCharactersLong()
        {
            var generator = new HumanReadableUniqueId();
            var result    = generator.Generate();

            result.ShouldNotBeNullOrEmpty();
            result.Length.ShouldBe(6);
        }