Update Corebot to handle undefined test_function
Update Corebot to handle undefined test_function

DJ1K1/botkit,howdyai/botkit,dhulser/slack-reporting-bot,ouadie-lahdioui/botkit,healthchatnow/hcn,tmtkg/botkit,adam-nnl/omgwtfbbq-bot,howdyai/botkit,acrollet/botkit,EliKrumholz/botkit,samuelsan/YelpBot,howdyai/botkit,DJ1K1/botkit,howdyai/botkit