public void AddNonExistingPhoneEntryShouldReturnTrue()
        {
            IPhonebookRepository repository = new PhonebookRepositoryWithDictionary();

            var result = repository.AddPhone("Pesho", new List<string>() { });

            Assert.AreEqual(true, result);
        }
        public void AddPhoneShouldMergeWithNewPhoneNumbers()
        {
            IPhonebookRepository repository = new PhonebookRepositoryWithDictionary();

            repository.AddPhone("Pesho", new List<string>() { "112", "911" });
            var result = repository.AddPhone("Pesho", new List<string>() { "113" });

            Assert.AreEqual(3, repository.ListEntries(0, 1)[0].PhoneNumbers.Count);
        }