upgrade common

dfstest/dfstest.go

@@ -41,7 +41,7 @@ func initDFS(keyspace string) error {
 	cassandraOption := cassandra.Option{Keyspace: keyspace, DisableInitialHostLookup: os.Getenv("VERSION") == "dev"}
 	ccli, err := cassandra.NewClientByOption(cassandraOption)
 	if err != nil {
-		return fmt.Errorf("cassandra.GetClient Error: %v", err)
+		return fmt.Errorf("cassandra.NewClient Error: %v", err)
 	}
 	ecli, err := etcd.Get()
 	if err != nil {