public void Initialize()

in TeamCity.VSTest.TestLogger/TeamCityTestLogger.cs [32:63]


    public void Initialize(TestLoggerEvents events, string testRunDirectory)
    {
        if (events == null) throw new ArgumentNullException(nameof(events));

        OutputLoggerInitializedMessage();

        _options.TestRunDirectory = testRunDirectory;

        var shouldOpenNewFlowForServiceMessages = _options.FallbackToStdOutTestReporting;

        events.TestRunMessage += (_, args) => _handler.OnTestRunMessage(args);

        events.TestResult += (_, args) => _handler.OnTestResult(args);

        events.TestRunComplete += (_, _) =>
        {
            _handler.OnTestRunComplete();
            _messageWriter.Dispose();
        };

#if (NET35 || NET40)
        // .Net Framework version of TestLoggerEvents does not have a TestRunStart event handler,
        // so test run directory is used as an acceptable substitute for test run sources
        _handler.OnTestRunStart(
            $"Unit tests from for test run directory {testRunDirectory}",
            shouldOpenNewFlowForServiceMessages);
#else
            events.TestRunStart += (sender, args) => _handler.OnTestRunStart(
                "Unit tests from " + string.Join(" ", args.TestRunCriteria.Sources),
                shouldOpenNewFlowForServiceMessages);
#endif
    }