public async Task CanGetForRepository()
    {
        await CreateTheWorld();

        var newPullRequest = new NewPullRequest("a pull request", branchName, "master");
        var result         = await _fixture.Create(Helper.UserName, _context.RepositoryName, newPullRequest);

        var pullRequests = await _fixture.GetAllForRepository(Helper.UserName, _context.RepositoryName);

        Assert.Equal(1, pullRequests.Count);
        Assert.Equal(result.Title, pullRequests[0].Title);
    }
        public async Task HasOpenPullRequest_ReturnsFalseIfThereAreNoPullRequests()
        {
            _mockPullRequestsClient.GetAllForRepository(Arg.Any <string>(), Arg.Any <string>(), Arg.Any <PullRequestRequest>()).Returns(new List <PullRequest>());

            Assert.IsFalse(await _gitUtils.HasOpenPullRequest(_mockClient, CreateRepository("test"), CreateReference("ref")));
        }