public void FileDownloadToStreamTest() { var apiKey = new Dictionary <string, string>() { { "AppSecret", "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX" }, { "AppId", "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX" } }; var config = new Configuration(apiKey: apiKey); config.ApiClient = new ApiClient(config); var file = new FileApi(config); var stream = file.FileDownloadToStream("letterlegal5.doc"); Assert.IsTrue(stream is FileStream); }