public void Test(Control control, string assertId, string assertMessage = "")
{
var renderChanged = HasRenderChanged(control, assertId);
NUnit.Framework.Assert.IsFalse(renderChanged,
assertId + " render changed. " + assertMessage);
var serializationChanged = HasSerializationChanged(control, assertId);
NUnit.Framework.Assert.IsFalse(serializationChanged,
assertId + " serialization changed. " + assertMessage);
}