public void when_creating_attribute_with_groups_has_all_groups()
 {
     var attr = new AccessGroupAttribute("GroupOne", "GroupTwo", "GroupThree");
     Assert.AreEqual(3, attr.Groups.Count());
 }
 public void when_creating_attribute_with_no_groups_has_no_groups()
 {
     var attr = new AccessGroupAttribute();
     Assert.AreEqual(0, attr.Groups.Count());
 }