use app.testing property instead of config
use app.testing property instead of config

drewja/flask,tristanfisher/flask,dawran6/flask,pallets/flask,fkazimierczak/flask,mitsuhiko/flask,pallets/flask,fkazimierczak/flask,drewja/flask,tristanfisher/flask,pallets/flask,fkazimierczak/flask,drewja/flask,dawran6/flask,mitsuhiko/flask