public async Task DisapprovePullRequest_ShouldCallCorrectUrlAndMethod()
{
var result = _restClient
.Capture()
.Args <IRestRequest, IRestResponse>((s, req) => s.ExecuteTaskAsync(req), MockRepository.GenerateMock <IRestResponse>());
await _sut.DisapprovePullRequest("repoName", "owner", 1);
Assert.AreEqual(1, result.CallCount);
var args = result.Args[0];
Assert.AreEqual("repositories/owner/repoName/pullrequests/1/approve", args.Resource);
Assert.AreEqual(Method.DELETE, args.Method);
}