public static void ResourceManagerLoadsCorrectReader()
{
ResourceManager resourceManager = new ResourceManager(typeof(TestData));
ResourceSet resSet = resourceManager.GetResourceSet(CultureInfo.InvariantCulture, true, true);
IResourceReader reader = (IResourceReader)resSet.GetType().GetField("_defaultReader", BindingFlags.NonPublic | BindingFlags.Instance)?.GetValue(resSet);
Assert.IsType <DeserializingResourceReader>(reader);
}