CLN: test_resample, specialize assert_
CLN: test_resample, specialize assert_

GH6175: replacing "assert_" with specialized forms of assert. WIP: calls with assert_( (...).all() ) have not been changed.

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