private void OnTestFinished(TestResultEventArgs ea)
        {
            var result = ea.Result.Outcome;

            switch (result.Status)
            {
                case TestStatus.Passed:
                    _view.OnTestPassed();
                    break;
                case TestStatus.Failed:
                    _view.OnTestFailed();
                    break;
                case TestStatus.Warning:
                    _view.OnTestWarning();
                    break;
                case TestStatus.Inconclusive:
                    _view.OnTestInconclusive();
                    break;
            }
        }