Replace assertRaises with pytest.raises

[mraspaud]

As the new ruff requires

• Closes #xxxx
• Tests added
• Fully documented
• Add your name to AUTHORS.md if not there already

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ace3999) 95.22% compared to head (e838867) 95.21%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2624      +/-   ##
==========================================
- Coverage   95.22%   95.21%   -0.02%     
==========================================
  Files         356      356              
  Lines       51547    51591      +44     
==========================================
+ Hits        49088    49120      +32     
- Misses       2459     2471      +12     

Flag	Coverage Δ
behaviourtests	4.22% <0.00%> (-0.01%)	⬇️
unittests	95.83% <100.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[djhoese]

Can you bump the version of ruff (or merge the pre-commit bot PR) to make sure that ruff is complaining about these?

[coveralls]

Pull Request Test Coverage Report for Build 6938256659

• 117 of 117 (100.0%) changed or added relevant lines in 25 files are covered.
• 13 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.02%) to 95.783%

---

Files with Coverage Reduction	New Missed Lines	%
satpy/tests/utils.py	2	93.36%
satpy/tests/reader_tests/gms/test_gms5_vissr_l1b.py	3	98.67%
satpy/tests/reader_tests/gms/test_gms5_vissr_navigation.py	3	97.16%
satpy/tests/reader_tests/utils.py	5	84.85%

Totals
Change from base Build 6907876977:	-0.02%
Covered Lines:	49246
Relevant Lines:	51414

---

💛 - Coveralls

[mraspaud]

Can you bump the version of ruff (or merge the pre-commit bot PR) to make sure that ruff is complaining about these?

I will when I'm finished, otherwise I won't be able to commit smaller parts of the pr.

[djhoese]

Shouldn't ruff only run locally on the files you modify/commit?

[mraspaud]

Ah, yes indeed, what was I thinking.