TST fix broken tests (which were using fancy asserts, broke travis py2.6 and py3)
TST fix broken tests (which were using fancy asserts, broke travis py2.6 and py3)

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