add function to test methods on invalid symbol IDs
add function to test methods on invalid symbol IDs

jeffreykegler/libmarpa,jeffreykegler/libmarpa,jeffreykegler/kollos,jeffreykegler/kollos,jeffreykegler/libmarpa,pczarn/kollos,jeffreykegler/kollos,pczarn/kollos,pczarn/kollos,jeffreykegler/kollos,jeffreykegler/libmarpa,jeffreykegler/libmarpa,pczarn/kollos,jeffreykegler/kollos,pczarn/kollos