subtests.docker_cli.run_env: Add couple of env checks

Check another expected environments:
SERVER_NAME=/$client_name/server
SERVER_PORT=tcp://$addr:$port
SERVER_PORT_$port_TCP=tcp://$addr:$port
SERVER_PORT_$port_TCP_ADDR=$addr
SERVER_PORT_$port_TCP_PORT=$port
SERVER_PORT_$port_TCP_PROTO=tcp

Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>