Files
coredns/test
mrasu 6793223948 Fix etcd_cache_test to runnable multiple times. (#2546)
Currently, when you run `TestEtcdCredentials` at etcd_credentials_test.go multiple times without clearing data of etcd, you will get following errors.

```
etcd_credentials_test.go:38: Failed to create root role: etcdserver: role name already exists
etcd_credentials_test.go:41: Failed to create user: etcdserver: user name already exists
```
2019-02-09 14:39:51 +00:00
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