public void ShouldCallContainsKeysMethodOnPlainDictionary()
        {
            var dictionary = new TestNonGenericDictionary(99);

            Assert.That(dictionary, Does.ContainKey(99));
            Assert.That(dictionary, !Does.ContainKey(35));
        }
        public void ShouldCallContainsKeysMethodOnPlainDictionary()
        {
            var dictionary = new TestNonGenericDictionary(99);

            Assert.Catch <ArgumentException>(() => Assert.That(dictionary, Does.ContainKey(99)));
        }