in src/dotnet/Rider.Plugins.TrxPlugin/TrxParser.cs [24:37]
public static String GetNamespaceFromClassName(string className)
{
var parts = className.Split('.');
string res = "";
for (int i = 0; i < parts.Length - 1; ++i)
{
res += parts[i];
if (i != parts.Length - 2)
{
res += '.';
}
}
return res;
}