public void ConvertDocumentTest()
        {
            try
            {
                ReportingCloud rc = new ReportingCloud(sUsername, sPassword, uriBasePath);

                // upload 1 more document with unique file name
                byte[] bDocument = File.ReadAllBytes("documents/invoice.tx");

                byte[] bHtml = rc.ConvertDocument(bDocument, ReturnFormat.HTML);

                Assert.IsTrue(System.Text.Encoding.UTF8.GetString(bHtml).Contains("INVOICE"));
            }
            catch (Exception exc)
            {
                Assert.Fail(exc.Message);
            }
        }