public async Task GetDocument_Returns_WhenValidDocumentId()
        {
            _documentApiClient.Setup(x => x.GetDocumentContent(It.IsAny <int>(), It.IsAny <int>())).ReturnsAsync(new TMS.Infrastructure.Messaging.Client.FileMemoryStream()
            {
                FileName = "test.jpg"
            });

            _svc = CreateService();

            var result = await _svc.GetDocument(LOAD_DOCUMENT_ID);

            result.Should().NotBeNull();
            result.FileName.Should().Be("test.jpg");
            _documentApiClient.Verify(x => x.GetDocumentContent(It.IsAny <int>(), It.IsAny <int>()), Times.Once);
        }