e2e-tests: Add tests for allowed_users broker property

[nooreldeenmansour]

Add tests for the following scenarios:

• allowed_users is set to OWNER and the owner is set to the test user (login successful)
• allowed_users is set to OWNER and owner is explicitly set to an empty value (login denied)
• allowed_users is set to user and login with that user (login successful)
• allowed_users set to a specific user and login with a different user (login denied)
• allowed_users is set to to ALL (login successful)

UDENG-9543
UDENG-9544
UDENG-9545
UDENG-9546
UDENG-9547

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.94%. Comparing base (0343a33) to head (02dc55e).
⚠️ Report is 10 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1469      +/-   ##
==========================================
+ Coverage   80.48%   86.94%   +6.46%     
==========================================
  Files          20       93      +73     
  Lines        1030     6366    +5336     
  Branches        0      111     +111     
==========================================
+ Hits          829     5535    +4706     
- Misses        201      775     +574     
- Partials        0       56      +56     

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[nooreldeenmansour]

Any idea why the provisioning ci jobs are failing?

This my third time doing a force push to trigger CI

[adombeck]

Any idea why the provisioning ci jobs are failing?

This my third time doing a force push to trigger CI

The Ubuntu archive is having issues today

[adombeck]

https://status.canonical.com/

[nooreldeenmansour]

The archive is operational now, but the CI jobs is failing because the broker snaps are failing to build. Probably related to #1470

[adombeck]

The device auth is the most time consuming and most fragile part of our e2e-tests currently. This PR adds five new tests which all perform device auth. How about we instead add a single new test which performs device auth once and then subsequently tests the various allowed_users values and for each uses local password authentication to test it.