test: modernize primary-ip tests

[jooola]

Implement the latest testing patterns for the primary ips tests

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.77%. Comparing base (1262feb) to head (dfb25b2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #644      +/-   ##
==========================================
+ Coverage   96.72%   96.77%   +0.04%     
==========================================
  Files          76       76              
  Lines        4035     4035              
==========================================
+ Hits         3903     3905       +2     
+ Misses        132      130       -2     

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