disable docker attach websocket test
disable docker attach websocket test

Signed-off-by: Victor Vieux <ce584ac70734cfa5a848cd28039798932c7ea675@docker.com>
Signed-off-by: Yong Qiao Wang <6d40c7ad46ee0c6dcd537e00c7f995d6e361c747@cn.ibm.com>

FreedomWangLi/swarm,FreedomWangLi/swarm