public void ReverseText_WithNull()
 {
     Program28 app = new Program28();
     string expected = null;
     string results = app.ReverseText(null);
     Assert.AreEqual(expected, results, "Did not combine strings correctly");
 }
 public void ReverseText_WithString()
 {
     Program28 app = new Program28();
     string expected = "gnitset";
     string results = app.ReverseText("testing");
     Assert.AreEqual(expected, results, "Did not reverse strings correctly");
 }
 public void ReverseText_WithEmptyString()
 {
     Program28 app = new Program28();
     string expected = string.Empty;
     string results = app.ReverseText(string.Empty);
     Assert.AreEqual(expected, results, "Did not combine strings correctly");
 }