Set PYTHON_BASIC_REPL="1" for two new test

[ellert]

Description

This PR fixes two test failures when python uses pyrepl (the default in Python 3.13 and later if the terminal has sufficient capabilites for it to be used.

ValueError: Stdin Requested but not stdin handler available

.../metakernel/replwrap.py:151: ValueError

Changes

Set PYTHON_BASIC_REPL="1" for two new test

Backwards-incompatible changes

None

Testing

Tests succeed with the proposed change.

AI usage

AI tools and models used: None

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.30%. Comparing base (f3dc49f) to head (79f146d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #424   +/-   ##
=======================================
  Coverage   90.30%   90.30%           
=======================================
  Files          51       51           
  Lines        2950     2950           
  Branches      414      414           
=======================================
  Hits         2664     2664           
  Misses        209      209           
  Partials       77       77           

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[blink1073]

Thanks!