Add test for the content type not supported error code (415) when using the Rest API
Add test for the content type not supported error code (415) when using the Rest API

jpajuelo/wirecloud,jpajuelo/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud