TST: check array is all None
TST: check array is all None

WarrenWeckesser/scipy,Stefan-Endres/scipy,scipy/scipy,anntzer/scipy,andyfaff/scipy,anntzer/scipy,Stefan-Endres/scipy,scipy/scipy,scipy/scipy,WarrenWeckesser/scipy,WarrenWeckesser/scipy,WarrenWeckesser/scipy,anntzer/scipy,andyfaff/scipy,andyfaff/scipy,WarrenWeckesser/scipy,ilayn/scipy,Stefan-Endres/scipy,Stefan-Endres/scipy,andyfaff/scipy,anntzer/scipy,andyfaff/scipy,ilayn/scipy,ilayn/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,ilayn/scipy,anntzer/scipy,ilayn/scipy,scipy/scipy,ilayn/scipy,scipy/scipy,Stefan-Endres/scipy,andyfaff/scipy,scipy/scipy,anntzer/scipy