public async Task GetAllIssuesAsync_Success_ReturnsOkObjectResultWithRequestedCount()
        {
            var testIssues = GetTestIssues();

            _issueService.Setup(s => s.GetAll()).ReturnsAsync(testIssues);

            var result = await _issueController.GetAllIssues();

            var okResult = result.Result as OkObjectResult;

            okResult.Should().BeOfType <OkObjectResult>();
            var genres = okResult.Value as List <IssueDto>;

            genres.Count().Should().Be(testIssues.Count);
        }