Add db to unit tests
Add db to unit tests

pradyutsarma/app-autoscaler,pradyutsarma/app-autoscaler,pradyutsarma/app-autoscaler,qibobo/app-autoscaler,cloudfoundry-incubator/app-autoscaler,cloudfoundry-incubator/app-autoscaler,cloudfoundry-incubator/app-autoscaler,qibobo/app-autoscaler,qibobo/app-autoscaler,cloudfoundry-incubator/app-autoscaler,pradyutsarma/app-autoscaler,qibobo/app-autoscaler