public void FileUpload_ElementWrapper() { RunInAllBrowsers(browser => { browser.NavigateToUrl("/FileUpload"); var tempPath = Path.GetTempFileName(); File.WriteAllBytes(tempPath, Enumerable.Range(0, 255).Select(i => (byte)i).ToArray()); browser.First("#FUpload").UploadFile(tempPath); browser.WaitFor(() => { AssertUI.CheckIfInnerTextEquals(browser.First("#FUpload .dotvvm-upload-files"), "1 files", false); }, 4000, "File upload failed."); }); }