Checklist

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What happened?

This test fails on our macOS CI possibly due to how we are activating the conda installation there. It passes on Windows and Linux, so we should look into how those are done.

The gist is that this tests purposely installs old conda and python and on top of that adds the complications of initialization and development flags. Since that old conda uses #!/usr/bin/env python as the shebang, it might be getting our base installation's (instead of the testing one?) Python, which obviously points to the development conda. Instead, it should discover the test prefix Python (?) and point to the old conda. That's why the versions don't match.

If the $old_conda --version call gets replaced with $old_python -m conda --version it passes successfully.

Conda info

See CI in https://github.com/conda/conda/pull/10875

Conda config

See CI in https://github.com/conda/conda/pull/10875

Conda list

See CI in https://github.com/conda/conda/pull/10875

Additional Context

No response