{AH} fix hardcoded test filename
{AH} fix hardcoded test filename

TyberiusPrime/pysam,TyberiusPrime/pysam,bioinformed/pysam,bioinformed/pysam,TyberiusPrime/pysam,bioinformed/pysam,kyleabeauchamp/pysam,kyleabeauchamp/pysam,pysam-developers/pysam,kyleabeauchamp/pysam,bioinformed/pysam,kyleabeauchamp/pysam,pysam-developers/pysam,pysam-developers/pysam,pysam-developers/pysam,TyberiusPrime/pysam,bioinformed/pysam,kyleabeauchamp/pysam,TyberiusPrime/pysam