Comment 2 for bug 1964262

I can't reproduce this in a jammy VM when building the test-snapd-cups-consumer snap from git revision 4f25c2f7cff6ba1d13149c19d52177004615ebaf with the cups snap on edge (revision 664):

ubuntu@sparkling-zebu:~/test-snapd-cups-consumer$ snapcraft snap
...
Snapping |
Snapped test-snapd-cups-consumer_1.0_amd64.snap
ubuntu@sparkling-zebu:~/test-snapd-cups-consumer$ sudo snap install cups --edge
cups (edge) 2.4.1-3 from OpenPrinting✓ installed
ubuntu@sparkling-zebu:~/test-snapd-cups-consumer$ sudo snap install --dangerous test-snapd-cups-consumer_1.0_amd64.snap
2022-03-11T08:45:56-06:00 INFO failed to update "cups", will not have required content "foo": snap has no updates available
test-snapd-cups-consumer 1.0 installed
ubuntu@sparkling-zebu:~/test-snapd-cups-consumer$ snap connections test-snapd-cups-consumer
Interface Plug Slot Notes
content test-snapd-cups-consumer:foo-install-cups - -
cups test-snapd-cups-consumer:cups cups:cups -
cups-control test-snapd-cups-consumer:cups-control - -
network test-snapd-cups-consumer:network :network -
ubuntu@sparkling-zebu:~/test-snapd-cups-consumer$ test-snapd-cups-consumer.cups
To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.

ubuntu@sparkling-zebu:/home/ubuntu/test-snapd-cups-consumer$ echo $CUPS_SERVER
/var/cups/cups.sock
ubuntu@sparkling-zebu:/home/ubuntu/test-snapd-cups-consumer$ ^C
ubuntu@sparkling-zebu:/home/ubuntu/test-snapd-cups-consumer$ exit
ubuntu@sparkling-zebu:~/test-snapd-cups-consumer$ snap list cups
Name Version Rev Tracking Publisher Notes
cups 2.4.1-3 664 latest/edge openprinting✓ -
ubuntu@sparkling-zebu:~/test-snapd-cups-consumer$ snap version
snap 2.54.4+git1079.gbf8d25c
snapd 2.54.4+git1079.gbf8d25c
series 16
ubuntu 22.04
kernel 5.15.0-18-generic