Use new .get_messages() test helper method.
Use new .get_messages() test helper method.

harrissoerja/vumi,TouK/vumi,TouK/vumi,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,harrissoerja/vumi,harrissoerja/vumi,TouK/vumi,vishwaprakashmishra/xmatrix