public async Task MergePullRequest_ShouldCallCorrectUrlAndMethod()
{
var request = new Fixture().Create <MergeRequest>();
var result = _restClient
.Capture()
.Args <IRestRequest, IRestResponse>((s, req) => s.ExecuteTaskAsync(req), MockRepository.GenerateMock <IRestResponse>());
await _sut.MergePullRequest("repo", "owner", request);
Assert.AreEqual(1, result.CallCount);
var args = result.Args[0];
Assert.AreEqual($"repositories/owner/repo/pullrequests/{request.Id}/merge", args.Resource);
Assert.AreEqual(Method.POST, args.Method);
}