Unskip accidentally skipped tests

[dstansby]

When a pytest.skip() is executed it skips the entire running test, not just the current for loop. This means putting a pytest.skip() inside a for loop can accidentally skip tests. The fix here is to parametrize the tests instead of using for loops.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.96%. Comparing base (58bc9c4) to head (5fdc358).
Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #738   +/-   ##
=======================================
  Coverage   99.96%   99.96%           
=======================================
  Files          63       63           
  Lines        2738     2738           
=======================================
  Hits         2737     2737           
  Misses          1        1           

Files with missing lines	Coverage Δ
numcodecs/tests/common.py	100.00% <100.00%> (ø)
numcodecs/tests/test_blosc.py	100.00% <100.00%> (ø)

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[jakirkham]

Thanks David! 🙏