tests/main/snapd-snap: enable the test on more systems

[bboozzoo]

Enable the test to run on Fedora, Arch, openSUSE and Debian to at least verify that snapd snap build with snapcraft is usable.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 76.98%. Comparing base (c27513c) to head (8a6896a). Report is 13 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #14852      +/-   ##
==========================================
+ Coverage   76.43%   76.98%   +0.55%     
==========================================
  Files        1279     1178     -101     
  Lines      170563   159402   -11161     
  Branches     2258     2258              
==========================================
- Hits       130363   122722    -7641     
+ Misses      32101    29247    -2854     
+ Partials     8099     7433     -666     

Flag	Coverage Δ
unittests	76.98% <ø> (+0.55%)	:arrow_up:

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[github-actions[bot]]

Mon May 26 07:22:16 UTC 2025 The following results are from: https://github.com/canonical/snapd/actions/runs/15213381483

Failures:

Preparing:

• openstack:opensuse-15.6-64

Restoring:

• openstack:opensuse-15.6-64

[bboozzoo]

This is failing due to https://github.com/canonical/snapcraft/issues/5321

[bboozzoo]

Filed an issue for craft-application.

[bboozzoo]

as discussed with @pedronis. Try to enable or move the test to snapcraft's own test suite.

[ernestl]

Marking blocked, not ready to be merged.