[moon] install moonclient in docker
[moon] install moonclient in docker

Change-Id: Ie8b46620dfa995038c0f40e23133ac301496438a
Signed-off-by: meimei <02a626b47b9789906e476a49037c28d395672888@huawei.com>

opnfv/functest,opnfv/functest,mywulin/functest,mywulin/functest