tests: migrate opensuse from google to openstack

[sergiocazzolato]

This is the second part of the migration to openstack.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.02%. Comparing base (96ea7b0) to head (231048e).
Report is 101 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #14754      +/-   ##
==========================================
+ Coverage   78.95%   79.02%   +0.07%     
==========================================
  Files        1084     1087       +3     
  Lines      146638   147756    +1118     
==========================================
+ Hits       115773   116767     +994     
- Misses      23667    23756      +89     
- Partials     7198     7233      +35     

Flag	Coverage Δ
unittests	79.02% <ø> (+0.07%)	⬆️

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🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[bboozzoo]

Half the test set failed on opensuse. I'm not sure if that could be something with the node allocations, but it's clear that there were read timeouts at some point. I've restarted the job.