Add a default to the interface language so that the tests won't fail
Add a default to the interface language so that the tests won't fail

jonasdekeukelaere/forkcms,carakas/forkcms,carakas/forkcms,justcarakas/forkcms,jacob-v-dam/forkcms,forkcms/forkcms,sumocoders/forkcms,forkcms/forkcms,jacob-v-dam/forkcms,carakas/forkcms,jacob-v-dam/forkcms,jacob-v-dam/forkcms,bartdc/forkcms,jonasdekeukelaere/forkcms,carakas/forkcms,justcarakas/forkcms,justcarakas/forkcms,jessedobbelaere/forkcms,jonasdekeukelaere/forkcms,carakas/forkcms,jonasdekeukelaere/forkcms,jessedobbelaere/forkcms,bartdc/forkcms,jessedobbelaere/forkcms,sumocoders/forkcms,bartdc/forkcms,jonasdekeukelaere/forkcms,sumocoders/forkcms,jessedobbelaere/forkcms,sumocoders/forkcms,sumocoders/forkcms,forkcms/forkcms,forkcms/forkcms