run s3 zarr tests only if s3 object store is online

[valeriupredoi]

Description

I promised @bouweandela I'd take care of this 🍺

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.53%. Comparing base (0680cc4) to head (de37eb4).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2958      +/-   ##
==========================================
- Coverage   95.62%   95.53%   -0.09%     
==========================================
  Files         266      266              
  Lines       15601    15601              
==========================================
- Hits        14918    14904      -14     
- Misses        683      697      +14     

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[bouweandela]

Awesome V! Just the usual nitpicks about code quality 🍻

[valeriupredoi]

Awesome V! Just the usual nitpicks about code quality 🍻

thanks a lot, bud, it's better as you suggested so not nitpicking 😄 I also ruff-ed it, and since today the S3 storage is still offline after JASMIN maintenance, the tests get nicely skipped, and we are minus one headache 🍻