Code review comment for lp:~cjwatson/launchpad/snap-channels-ui

That implies that you haven't upgraded the database schema to its latest
revision. You can do "make schema" to burn your current database down
and start afresh, or use upgrade.py and security.py from
database/schema/ to apply patches in place. I'm not quite sure why the
"make schema" that you said you ran didn't apply
database/schema/patch-2209-69-4.sql which is in this branch, but perhaps
the database that you're running tests against is somewhere else?
upgrade.py gives you a bit more control and it should be easier to see
what's going on there, anyway.

After that, you'll run into Snap.store_channels similarly not existing.
The top three items in this branch stack (of which this branch is
currently the deepest) also depend on
https://code.launchpad.net/~cjwatson/launchpad/db-snap-channels/+merge/298803.
It's not listed as a prerequisite because database patches are targeted
at a separate trunk (lp:launchpad/db-devel), but db-snap-channels will
need to be merged, deployed in a fastdowntime, and then db-devel merged
into devel before it's possible to land snap-channels-store-client or
above.