var scheme … var codecs … var errDummy … func init() { … } func newPod() runtime.Object { … } func newPodList() runtime.Object { … } func newEtcdTestStorage(t testing.TB, prefix string) (*etcd3testing.EtcdTestServer, storage.Interface) { … } func computePodKey(obj *example.Pod) string { … } func compactStorage(c *Cacher, client *clientv3.Client) storagetesting.Compaction { … }