codegen: made it possible to test fct params
codegen: made it possible to test fct params

but doesn't really work right now

dinfuehr/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,riginding/dora,riginding/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,riginding/dora,riginding/dora,riginding/dora,dinfuehr/dora