public void WhenSetClipboardContentTypeIsPlainText_GetClipboardShouldReturnEncodedBase64String() { var base64ClipboardTestString = Convert.ToBase64String(Encoding.UTF8.GetBytes(ClipboardTestString)); _driver.SetClipboard(ClipboardContentType.PlainText, base64ClipboardTestString); Assert.That(() => Regex.IsMatch(_driver.GetClipboard(ClipboardContentType.PlainText), Base64RegexPattern), Is.True); }