func (s *DeployHelperSuite) SetUpSuite(c *C) {
	crypto.Init()
	dns.Provider = FakeDNSProvider(true)
	zkTestServer = zookeeper.NewZkTestServer()
	c.Assert(zkTestServer.Init(), IsNil)
	datamodel.Zk = zkTestServer.Zk
}
func (s *DatamodelSuite) SetUpSuite(c *C) {
	zkTestServer = zookeeper.NewZkTestServer()
	c.Assert(zkTestServer.Init(), IsNil)
	Zk = zkTestServer.Zk
}