Add test to prove that we drop DNFs from combined TT results
Add test to prove that we drop DNFs from combined TT results

alpendergrass/montanacycling-racing_on_rails,scottwillson/racing_on_rails,alpendergrass/montanacycling-racing_on_rails,alpendergrass/montanacycling-racing_on_rails,scottwillson/racing_on_rails,scottwillson/racing_on_rails,alpendergrass/montanacycling-racing_on_rails,alpendergrass/montanacycling-racing_on_rails,scottwillson/racing_on_rails