Snap `environment:` doesn't reach jobs with `checkbox22/edge`

[Saviq]

Bug Description

With checkbox22/edge, environment that is set in snapcraft.yaml (e.g. checkbox-mir) does not reach the running units.

Cert-blocker Test Case

• cert-blocker

To Reproduce

1. run sudo checkbox-mir.graphics

Expected Result

Successful wayland tests

Actual Result

Failing wayland jobs

Environment

$ snap list checkbox22
Name        Version       Rev   Tracking     Publisher            Notes
checkbox22  7.0.0-dev116  2355  latest/edge  ce-certification-qa  -

Relevant log output

[2026-01-14 15:43:46.886212] <information> mircommon: Loading modules from: /usr/lib/x86_64-linux-gnu/mir/server-platform
[2026-01-14 15:43:46.886231] < - ERROR - > mircommon: Failed to load libraries from path: /usr/lib/x86_64-linux-gnu/mir/server-platform (error was:/usr/lib/x86_64-linux-gnu/mir/server-platform: No such file or directory)

Additional context

This works fine with checkbox22/beta

$ snap list checkbox22
Name        Version      Rev   Tracking     Publisher            Notes
checkbox22  7.0.0-dev58  2189  latest/beta  ce-certification-qa  -

[syncronize-issues-to-jira]

Thank you for reporting your feedback to us!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CHECKBOX-2161.

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