[PR #8936/76a00d1e backport][3.11] Test coverage of TextIOWrapper

[patchback]

This is a backport of PR #8936 as merged into master (76a00d1).

None

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (3.11@45f8212). Learn more about missing BASE report.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             3.11    #8945   +/-   ##
=======================================
  Coverage        ?   97.73%           
=======================================
  Files           ?      108           
  Lines           ?    34319           
  Branches        ?     4073           
=======================================
  Hits            ?    33542           
  Misses          ?      581           
  Partials        ?      196           

Flag	Coverage Δ
CI-GHA	97.63% <100.00%> (?)
OS-Linux	97.31% <100.00%> (?)
OS-Windows	94.87% <100.00%> (?)
OS-macOS	96.99% <100.00%> (?)
Py-3.10.11	97.08% <100.00%> (?)
Py-3.10.14	97.02% <100.00%> (?)
Py-3.11.9	97.25% <100.00%> (?)
Py-3.12.5	97.35% <100.00%> (?)
Py-3.9.13	96.99% <100.00%> (?)
Py-3.9.19	96.93% <100.00%> (?)
Py-pypy7.3.16	96.52% <100.00%> (?)
VM-macos	96.99% <100.00%> (?)
VM-ubuntu	97.31% <100.00%> (?)
VM-windows	94.87% <100.00%> (?)

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.