Fix timeout for socket connection
Fix timeout for socket connection

Change-Id: I0688761ba7224f40f79310295efadd9b40bfeefb
Signed-off-by: Linda Wang <81613bebe84fa394bbc7c5cc1c21989c9bff2c52@huawei.com>

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