TST: Interpolate: Parameterise RegularGridInterpolator tests (#16885)
TST: Interpolate: Parameterise RegularGridInterpolator tests (#16885)


mdhaber/scipy,perimosocordiae/scipy,scipy/scipy,rgommers/scipy,perimosocordiae/scipy,mdhaber/scipy,endolith/scipy,andyfaff/scipy,scipy/scipy,perimosocordiae/scipy,andyfaff/scipy,andyfaff/scipy,endolith/scipy,WarrenWeckesser/scipy,ilayn/scipy,Stefan-Endres/scipy,scipy/scipy,Stefan-Endres/scipy,Stefan-Endres/scipy,scipy/scipy,rgommers/scipy,anntzer/scipy,mdhaber/scipy,scipy/scipy,ilayn/scipy,Stefan-Endres/scipy,anntzer/scipy,endolith/scipy,endolith/scipy,endolith/scipy,andyfaff/scipy,ilayn/scipy,WarrenWeckesser/scipy,ilayn/scipy,WarrenWeckesser/scipy,anntzer/scipy,endolith/scipy,scipy/scipy,WarrenWeckesser/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,anntzer/scipy,andyfaff/scipy,perimosocordiae/scipy,andyfaff/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,rgommers/scipy,rgommers/scipy,ilayn/scipy,mdhaber/scipy,ilayn/scipy,mdhaber/scipy,mdhaber/scipy,anntzer/scipy,anntzer/scipy,WarrenWeckesser/scipy,rgommers/scipy