[bugfix] Fixes #2009 bug in failure summaries when some tests are skipped

[casparvl]

Fixes #2009

[pep8speaks]

Hello @casparvl, Thank you for updating!

Cheers! There are no PEP8 issues in this Pull Request!Do see the ReFrame Coding Style Guide

Comment last updated at 2021-06-10 13:37:44 UTC

[teojgo]

Ok to test

[jenkins-cscs]

Can I test this patch?

[codecov-commenter]

Codecov Report

Merging #2010 (6f81368) into master (c118fec) will decrease coverage by 0.43%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2010      +/-   ##
==========================================
- Coverage   87.91%   87.48%   -0.44%     
==========================================
  Files          50       50              
  Lines        8638     8850     +212     
==========================================
+ Hits         7594     7742     +148     
- Misses       1044     1108      +64     

Impacted Files	Coverage Δ
reframe/frontend/statistics.py	95.95% <100.00%> (+0.50%)	⬆️
reframe/core/decorators.py	64.70% <0.00%> (-18.49%)	⬇️
reframe/core/logging.py	77.55% <0.00%> (-7.32%)	⬇️
reframe/core/hooks.py	92.78% <0.00%> (-1.82%)	⬇️
reframe/core/meta.py	98.80% <0.00%> (-1.20%)	⬇️
reframe/frontend/cli.py	75.73% <0.00%> (-0.78%)	⬇️
reframe/core/schedulers/pbs.py	47.26% <0.00%> (-0.33%)	⬇️
reframe/core/variables.py	96.03% <0.00%> (-0.02%)	⬇️
reframe/frontend/ci.py	93.33% <0.00%> (ø)
... and 4 more

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[teojgo]

lgtm

[jjotero]

Thanks for the fix @casparvl !