public ObservablePullRequestReviewRequestsClient(IGitHubClient client)
        {
            Ensure.ArgumentNotNull(client, "client");

            _client     = client.PullRequest.ReviewRequest;
            _connection = client.Connection;
        }
        public PullRequestReviewRequestClientTestsBase()
        {
            _github = Helper.GetAuthenticatedClient();

            _client = _github.PullRequest.ReviewRequest;

            _context = _github.CreateRepositoryContext("test-repo").Result;

            Task.WaitAll(_collaboratorLogins.Select(AddCollaborator).ToArray());
        }