public void WriteResultFile(XmlNode resultNode, string outputPath) { var durationAttr = resultNode.Attributes?["duration"]; if (durationAttr?.Value == null) { return; } double durationValue; if (!double.TryParse(durationAttr.Value, NumberStyles.Any, CultureInfo.InvariantCulture, out durationValue)) { return; } TeamCityWriter.WriteBuildStatistics("TestsDuration", durationValue.ToString(CultureInfo.InvariantCulture)); }