Adjusting ssh key indexes to start from max (32) to go backwards

[steiler]

No description provided.

[hellt]

@steiler check the two commits I added. They are just test refactoring, so I believe you won't have objections to that.

Thanks for picking this up, looks good.

[codecov]

Codecov Report

Merging #1724 (ba4e40d) into main (2184f2d) will increase coverage by 0.28%.
Report is 3 commits behind head on main.
The diff coverage is 87.09%.

❗ Current head ba4e40d differs from pull request most recent head 3ebf833. Consider uploading reports for the commit 3ebf833 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1724      +/-   ##
==========================================
+ Coverage   51.55%   51.83%   +0.28%     
==========================================
  Files         143      143              
  Lines       13807    13794      -13     
==========================================
+ Hits         7118     7150      +32     
+ Misses       5898     5852      -46     
- Partials      791      792       +1     

Files	Coverage Δ
nodes/vr_sros/vr-sros.go	0.52% <ø> (+<0.01%)	⬆️
nodes/vr_sros/sshKey.go	52.94% <87.09%> (+52.94%)	⬆️

... and 2 files with indirect coverage changes