Add OtherIO.can_read method to tests

[rly]

Motivation

Adding OtherIO.can_read is necessary once hdmf-dev/hdmf#875 is merged.

Checklist

• Did you update CHANGELOG.md with your changes?
• Have you checked our Contributing document?
• Have you ensured the PR clearly describes the problem and the solution?
• Is your contribution compliant with our coding style? This can be checked running ruff from the source directory.
• Have you checked to ensure that there aren't other open Pull Requests for the same change?
• Have you included the relevant issue number using "Fix #XXX" notation where XXX is the issue number? By including "Fix #XXX" you allow GitHub to close issue #XXX when the PR is merged.

[codecov-commenter]

Codecov Report

Patch coverage: 66.66% and project coverage change: -0.02 ⚠️

Comparison is base (531296c) 82.00% compared to head (45498a8) 81.99%.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #102      +/-   ##
==========================================
- Coverage   82.00%   81.99%   -0.02%     
==========================================
  Files          11       11              
  Lines        2657     2660       +3     
==========================================
+ Hits         2179     2181       +2     
- Misses        478      479       +1     

Impacted Files	Coverage Δ
tests/unit/base_tests_zarrio.py	98.62% <66.66%> (-0.13%)	⬇️

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.