Yicheng Qin 01806c3e80 raft: fix malformed example name
It is reported by latest govet:
```
gopath/src/github.com/coreos/etcd/raft/example_test.go:26: Example_Node
has malformed example suffix: Node
```
2015-10-20 16:40:01 -07:00
..
2015-09-03 15:32:25 -07:00
2015-09-15 14:09:01 -07:00
2015-09-12 12:17:02 -07:00
2015-09-21 06:13:33 +02:00
2015-03-23 09:55:19 -07:00
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2015-03-18 15:59:30 -07:00