public void Remove_AddWordAndRemoveItAgain_AnagramRestSame(string anagram, string word, string expectedAnagramRest)
        {
            var anagramMatchTracker = new AnagramMatchTracker(anagram);
            anagramMatchTracker.Add(word);
            anagramMatchTracker.Remove();

            Assert.AreEqual(expectedAnagramRest, anagramMatchTracker.AnagramRest);
        }
        public void Remove_FullAnagramRest_InvalidOperationException()
        {
            var anagramMatchTracker = new AnagramMatchTracker("anagram");

            Assert.Throws<InvalidOperationException>(() => anagramMatchTracker.Remove());
        }