Unit Test can't be run locally caused by zk.

[LaurenceLiZhixin]

What happened:
When running go test ./... locally, zk unit test would panic because there isn't zk jar and zk environment locally.

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

[LaurenceLiZhixin]

Replacement of branch 1.5's go mod github.com/shirou/gopsutil => github.com/shirou/gopsutil v0.0.0-20181107111621-48177ef5f880 should be delete soon. And other replacement should be checked if necessary.

[tydhot]

assign to me

[LaurenceLiZhixin]

complete！