fix test for proper variable quoting
fix test for proper variable quoting

1ec5/carto,clhenrick/carto,midnightcomm/carto,whitelynx/carto,CartoDB/carto,gravitystorm/carto,madeinqc/carto,stefanklug/carto,CartoDB/carto,tomhughes/carto,mapbox/carto,pnorman/carto