public void BuildSpeakers_ShouldContainsDolby()
        {
            const int numberOfSpeakers  = 2;
            var       acerLaptopBuilder = new AcerLaptopBuilder();

            acerLaptopBuilder.BuildSpeakers(numberOfSpeakers);

            StringAssert.Contains(acerLaptopBuilder.Speakers, "Dolby");
        }
        public void BuildSpeakers_ShouldSetTwoSpeakers()
        {
            const int numberOfSpeakers  = 2;
            var       acerLaptopBuilder = new AcerLaptopBuilder();

            acerLaptopBuilder.BuildSpeakers(numberOfSpeakers);

            StringAssert.Contains(acerLaptopBuilder.Speakers, numberOfSpeakers.ToString());
        }