TST: stats: set random seed in test_distributions
TST: stats: set random seed in test_distributions

Ensure random seed is set in test_distributions, to make results
reproducible.

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