public void Constructor_NullMessage_ShouldSetFixedMessageAndSetResultCode()
        {
            var exception = new RfcCommunicationFailedException(null);

            exception.Message.Should().Be("SAP RFC Error: RFC_COMMUNICATION_FAILURE");
            exception.ResultCode.Should().Be(RfcResultCodes.RFC_COMMUNICATION_FAILURE);
        }
        public void Constructor_Message_ShouldSetMessageAndSetResultCode()
        {
            var exception = new RfcCommunicationFailedException("Test message");

            exception.Message.Should().Be("SAP RFC Error: RFC_COMMUNICATION_FAILURE with message: Test message");
            exception.ResultCode.Should().Be(RfcResultCodes.RFC_COMMUNICATION_FAILURE);
        }