Add tests for get_raw_tables()
Add tests for get_raw_tables()

ged-lab/khmer,souravsingh/khmer,F1000Research/khmer,F1000Research/khmer,souravsingh/khmer,jas14/khmer,kdmurray91/khmer,ged-lab/khmer,Winterflower/khmer,ged-lab/khmer,F1000Research/khmer,souravsingh/khmer,Winterflower/khmer,kdmurray91/khmer,kdmurray91/khmer,Winterflower/khmer,jas14/khmer,jas14/khmer