TST: enable special handling of pytest.mark.xslow
TST: enable special handling of pytest.mark.xslow

perimosocordiae/scipy,pizzathief/scipy,scipy/scipy,aarchiba/scipy,zerothi/scipy,person142/scipy,endolith/scipy,jor-/scipy,perimosocordiae/scipy,nmayorov/scipy,WarrenWeckesser/scipy,matthew-brett/scipy,ilayn/scipy,gfyoung/scipy,lhilt/scipy,apbard/scipy,jor-/scipy,andyfaff/scipy,person142/scipy,scipy/scipy,WarrenWeckesser/scipy,jamestwebber/scipy,anntzer/scipy,andyfaff/scipy,grlee77/scipy,pizzathief/scipy,lhilt/scipy,andyfaff/scipy,ilayn/scipy,gertingold/scipy,apbard/scipy,Stefan-Endres/scipy,scipy/scipy,lhilt/scipy,gertingold/scipy,pizzathief/scipy,aeklant/scipy,arokem/scipy,zerothi/scipy,andyfaff/scipy,tylerjereddy/scipy,person142/scipy,mdhaber/scipy,mdhaber/scipy,e-q/scipy,aeklant/scipy,gertingold/scipy,endolith/scipy,vigna/scipy,ilayn/scipy,matthew-brett/scipy,matthew-brett/scipy,Eric89GXL/scipy,e-q/scipy,nmayorov/scipy,grlee77/scipy,aeklant/scipy,anntzer/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,rgommers/scipy,perimosocordiae/scipy,aarchiba/scipy,arokem/scipy,mdhaber/scipy,Stefan-Endres/scipy,anntzer/scipy,tylerjereddy/scipy,tylerjereddy/scipy,vigna/scipy,anntzer/scipy,endolith/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,ilayn/scipy,gfyoung/scipy,aarchiba/scipy,nmayorov/scipy,Eric89GXL/scipy,apbard/scipy,gfyoung/scipy,Eric89GXL/scipy,Eric89GXL/scipy,pizzathief/scipy,zerothi/scipy,rgommers/scipy,gfyoung/scipy,vigna/scipy,jamestwebber/scipy,WarrenWeckesser/scipy,scipy/scipy,perimosocordiae/scipy,ilayn/scipy,endolith/scipy,jamestwebber/scipy,aarchiba/scipy,aeklant/scipy,matthew-brett/scipy,arokem/scipy,gertingold/scipy,jor-/scipy,mdhaber/scipy,perimosocordiae/scipy,grlee77/scipy,arokem/scipy,rgommers/scipy,endolith/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,andyfaff/scipy,person142/scipy,andyfaff/scipy,e-q/scipy,zerothi/scipy,mdhaber/scipy,aarchiba/scipy,apbard/scipy,arokem/scipy,gertingold/scipy,e-q/scipy,Eric89GXL/scipy,scipy/scipy,Stefan-Endres/scipy,nmayorov/scipy,mdhaber/scipy,nmayorov/scipy,ilayn/scipy,e-q/scipy,pizzathief/scipy,grlee77/scipy,matthew-brett/scipy,lhilt/scipy,rgommers/scipy,zerothi/scipy,jor-/scipy,anntzer/scipy,apbard/scipy,vigna/scipy,tylerjereddy/scipy,jamestwebber/scipy,person142/scipy,Stefan-Endres/scipy,lhilt/scipy,tylerjereddy/scipy,WarrenWeckesser/scipy,grlee77/scipy,anntzer/scipy,scipy/scipy,zerothi/scipy,jor-/scipy,endolith/scipy,aeklant/scipy,rgommers/scipy,jamestwebber/scipy,vigna/scipy,gfyoung/scipy