public void BuildsRequestMessage()
{
var url = $"{Urls.SignatureDocuments}/{Guid.NewGuid()}";
var token = "access-token";
var request = HttpRequestor.GetRequestMessage(url, HttpMethod.Get, token);
Assert.IsNotNull(request);
Assert.AreEqual(new Uri(url), request.RequestUri);
Assert.AreEqual($"Bearer {token}", request.Headers.GetValues("Authorization").FirstOrDefault());
Assert.AreEqual($".NET {SignicatConfiguration.SdkVersion}",
request.Headers.GetValues("X-Signicat-Express-SDK").FirstOrDefault());
Assert.AreEqual(HttpMethod.Get, request.Method);
}