Give more time to generate policies in tests

[ahcorde]

Related with this PR #321

I was playing with the linked flaky issue and my guess is that the policy is not generated because it required more time.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.94%. Comparing base (8a033c1) to head (454ab1b).

Additional details and impacted files

@@           Coverage Diff            @@
##           rolling     #323   +/-   ##
========================================
  Coverage    88.94%   88.94%           
========================================
  Files           24       24           
  Lines          615      615           
  Branches        64       64           
========================================
  Hits           547      547           
  Misses          50       50           
  Partials        18       18           

Flag	Coverage Δ
unittests	88.94% <ø> (ø)

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[ahcorde]

• Linux
• Linux-aarch64
• Linux-rhel
• Windows

[clalancette]

I'm not convinced that it will make a difference, but we can certainly try it and see if things improve.