in general to test an update from the edge channel for an installed snap:
sudo snap refresh --edge $snapname
in this case you can just refresh to the latest stable though, the kernel snap with the fix is long in the stable channel already.
in general to test an update from the edge channel for an installed snap:
sudo snap refresh --edge $snapname
in this case you can just refresh to the latest stable though, the kernel snap with the fix is long in the stable channel already.