private static async Task <StepResult> ExerciseDecompress(MessagingContext context)
        {
            var sut = new DecompressAttachmentsStep();

            // Act
            return(await sut.ExecuteAsync(context));
        }
            private static StepResult ExerciseDecompress(AS4Message as4Message)
            {
                var sut = new DecompressAttachmentsStep();

                return(sut.ExecuteAsync(new MessagingContext(as4Message, MessagingContextMode.Receive))
                       .GetAwaiter()
                       .GetResult());
            }