Randomize the metrics collector tests
Randomize the metrics collector tests

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