TST: make sure test_fash uses the same seed for launching processes
TST: make sure test_fash uses the same seed for launching processes

jmmease/pandas,MJuddBooth/pandas,winklerand/pandas,harisbal/pandas,Winand/pandas,nmartensen/pandas,linebp/pandas,louispotok/pandas,DGrady/pandas,harisbal/pandas,amolkahat/pandas,pratapvardhan/pandas,gfyoung/pandas,TomAugspurger/pandas,jorisvandenbossche/pandas,TomAugspurger/pandas,pandas-dev/pandas,amolkahat/pandas,linebp/pandas,datapythonista/pandas,jreback/pandas,TomAugspurger/pandas,jmmease/pandas,kdebrab/pandas,jmmease/pandas,rs2/pandas,zfrenchee/pandas,nmartensen/pandas,toobaz/pandas,DGrady/pandas,pandas-dev/pandas,TomAugspurger/pandas,cython-testbed/pandas,Winand/pandas,amolkahat/pandas,cython-testbed/pandas,zfrenchee/pandas,datapythonista/pandas,winklerand/pandas,GuessWhoSamFoo/pandas,jreback/pandas,gfyoung/pandas,rs2/pandas,dsm054/pandas,amolkahat/pandas,nmartensen/pandas,cython-testbed/pandas,Winand/pandas,DGrady/pandas,winklerand/pandas,cbertinato/pandas,kdebrab/pandas,Winand/pandas,kdebrab/pandas,jmmease/pandas,winklerand/pandas,jorisvandenbossche/pandas,Winand/pandas,dsm054/pandas,toobaz/pandas,jreback/pandas,toobaz/pandas,GuessWhoSamFoo/pandas,toobaz/pandas,linebp/pandas,louispotok/pandas,DGrady/pandas,zfrenchee/pandas,linebp/pandas,pratapvardhan/pandas,cbertinato/pandas,dsm054/pandas,datapythonista/pandas,kdebrab/pandas,DGrady/pandas,dsm054/pandas,jmmease/pandas,cbertinato/pandas,nmartensen/pandas,MJuddBooth/pandas,zfrenchee/pandas,jorisvandenbossche/pandas,rs2/pandas,nmartensen/pandas,jmmease/pandas,nmartensen/pandas,louispotok/pandas,amolkahat/pandas,cbertinato/pandas,cbertinato/pandas,pratapvardhan/pandas,gfyoung/pandas,jreback/pandas,zfrenchee/pandas,winklerand/pandas,harisbal/pandas,MJuddBooth/pandas,datapythonista/pandas,DGrady/pandas,gfyoung/pandas,pandas-dev/pandas,harisbal/pandas,cython-testbed/pandas,winklerand/pandas,GuessWhoSamFoo/pandas,MJuddBooth/pandas,kdebrab/pandas,louispotok/pandas,pandas-dev/pandas,Winand/pandas,linebp/pandas,GuessWhoSamFoo/pandas,pratapvardhan/pandas,louispotok/pandas,dsm054/pandas,gfyoung/pandas,harisbal/pandas,toobaz/pandas,pratapvardhan/pandas,MJuddBooth/pandas,GuessWhoSamFoo/pandas,cython-testbed/pandas,rs2/pandas,jorisvandenbossche/pandas,linebp/pandas,jreback/pandas