TST: Add test for `__array_priority__` raising a bad error
TST: Add test for `__array_priority__` raising a bad error

As the TODO note states, this should probably just raise the error,
but for now, lets cover the code path and make sure it doesn't do
worse at least.

seberg/numpy,endolith/numpy,jakirkham/numpy,pdebuyl/numpy,numpy/numpy,anntzer/numpy,pdebuyl/numpy,mhvk/numpy,mhvk/numpy,jakirkham/numpy,jakirkham/numpy,mattip/numpy,seberg/numpy,seberg/numpy,rgommers/numpy,endolith/numpy,mhvk/numpy,jakirkham/numpy,mattip/numpy,anntzer/numpy,rgommers/numpy,charris/numpy,pdebuyl/numpy,rgommers/numpy,mhvk/numpy,mattip/numpy,mhvk/numpy,mattip/numpy,numpy/numpy,endolith/numpy,seberg/numpy,charris/numpy,numpy/numpy,charris/numpy,charris/numpy,numpy/numpy,endolith/numpy,anntzer/numpy,anntzer/numpy,rgommers/numpy,pdebuyl/numpy,jakirkham/numpy