Add test for setup_middleware_from_config.
Add test for setup_middleware_from_config.

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