public void ItShouldNotAddTagsWithSameName()
 {
     Tag tag1 = new Tag("urgent");
     Tag tag2 = new Tag("urgent");
     TagList testTaglist = new TagList();
     testTaglist.AddTag(ref tag1);
     testTaglist.AddTag(ref tag2);
     int expected = 1;
     int actual = testTaglist.GetListSize();
     Assert.AreEqual(expected, actual);
 }
 public void ItShouldAddTags()
 {
     Tag tag1 = new Tag("urgent");
     Tag tag2 = new Tag("important");
     TagList testTaglist = new TagList();
     testTaglist.AddTag(ref tag1);
     testTaglist.AddTag(ref tag2);
     int expected = 2;
     int actual = testTaglist.GetListSize();
     Assert.AreEqual(expected, actual);
 }