/// <summary>
 /// Tests if an object has a given property, may continue on to test
 /// the property value
 /// </summary>
 /// <param name="have"></param>
 /// <param name="property"></param>
 /// <typeparam name="T"></typeparam>
 /// <returns></returns>
 public static IMore <T> Property <T>(
     this IAnd <T> have,
     string property
     )
 {
     return(have.Property(property, NULL_STRING));
 }
 /// <summary>
 /// Tests if an object has a given property, may continue on to test
 /// the property value
 /// </summary>
 /// <param name="have"></param>
 /// <param name="property"></param>
 /// <param name="customMessage"></param>
 /// <typeparam name="T"></typeparam>
 /// <returns></returns>
 public static IMore <T> Property <T>(
     this IAnd <T> have,
     string property,
     string customMessage
     )
 {
     return(have.Property(property, () => customMessage));
 }