public void Have_error_when_ConnectionId_is_null()
 {
     DeleteConnectionRequest.ConnectionId = null;
     DeleteConnectionRequestValidator
     .ShouldHaveValidationErrorFor
     (
         aDeleteConnectionRequest => aDeleteConnectionRequest.ConnectionId,
         DeleteConnectionRequest
     );
 }
 public void Have_error_when_ConnectionId_is_empty() => DeleteConnectionRequestValidator
 .ShouldHaveValidationErrorFor(aDeleteConnectionRequest => aDeleteConnectionRequest.ConnectionId, string.Empty);