public void SqlGuidFieldComperar_SqlGuids(string g1, string g2, int exp)
 {
     SqlGuidComparar.CompareTo(new SqlGuid(g1), new SqlGuid(g2)).ShouldBe(exp);
 }
 public void SqlGuidFieldComperar_Strings(string g1, string g2, int exp)
 {
     SqlGuidComparar.CompareTo(g1, g2).ShouldBe(exp);
 }