fix tests by setting full_scale to 1
fix tests by setting full_scale to 1

The mid value without full scale is 0.5, so all of our messages were
being ignored because they're > the mid value. Using full scale sets the
mid value at 350/2

EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes