TST: randomize HDF5 file name to tease out #2645 issue
TST: randomize HDF5 file name to tease out #2645 issue

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