public void IsAttribute(string word, bool expected)
        {
            var result = instance.IsAttribute(new TestWordItem(word));

            Assert.AreEqual(expected, result);
            result = instance.IsAttribute(new TestWordItem("Unknown", word));
            Assert.AreEqual(expected, result);
        }
        public void IsAttribute(string word, bool expected)
        {
            var result = instance.IsAttribute(new TestWordItem {
                Text = word
            });

            Assert.AreEqual(expected, result);
            result = instance.IsAttribute(new TestWordItem {
                Text = "Unknown", Stemmed = word
            });
            Assert.AreEqual(expected, result);
        }