added test_config to the runtests script
added test_config to the runtests script

lsgunth/rapidsms,dimagi/rapidsms-core-dev,catalpainternational/rapidsms,dimagi/rapidsms-core-dev,unicefuganda/edtrac,ehealthafrica-ci/rapidsms,ehealthafrica-ci/rapidsms,unicefuganda/edtrac,caktus/rapidsms,catalpainternational/rapidsms,caktus/rapidsms,rapidsms/rapidsms-core-dev,ken-muturi/rapidsms,lsgunth/rapidsms,ken-muturi/rapidsms,catalpainternational/rapidsms,unicefuganda/edtrac,rapidsms/rapidsms-core-dev,caktus/rapidsms,dimagi/rapidsms,eHealthAfrica/rapidsms,peterayeni/rapidsms,peterayeni/rapidsms,lsgunth/rapidsms,lsgunth/rapidsms,eHealthAfrica/rapidsms,eHealthAfrica/rapidsms,ehealthafrica-ci/rapidsms,dimagi/rapidsms,catalpainternational/rapidsms,peterayeni/rapidsms,ken-muturi/rapidsms,peterayeni/rapidsms