make go linter 1.60.3 happy

[MatousJobanek]

update the linter to 1.60.3 and address all complaints
it's mainly related to the way the sub-tests are executed inside the suites. Ideally, we would like to get rid of the suites, but let's keep it there for now and make the code consistent

[sonarqubecloud]

Quality Gate failed

Failed conditions
31.2% Duplication on New Code (required ≤ 30%)

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.46%. Comparing base (9c50de7) to head (0b2fefa).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #485   +/-   ##
=======================================
  Coverage   85.46%   85.46%           
=======================================
  Files          32       32           
  Lines        3172     3172           
=======================================
  Hits         2711     2711           
  Misses        374      374           
  Partials       87       87           

Flag	Coverage Δ
unittests	85.46% <ø> (ø)

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexeykazakov, MatousJobanek

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[alexeykazakov]

/retest

[MatousJobanek]

/retest