testing optional packages

[Marc Culler]

I don't know what the expectations are for testing optional packages, but in 10.4.beta4 when I run:

./sage -t venv/lib/python3.11/site-packages/symengine

I get the exception:

NameError: name 'test_sage_conversions' is not defined

- Marc

[Dima Pasechnik]

As I already told Marc, one should use "pytest" rather than "sage -t" - for obvious reasons: Sage has very own testing system,

and one should not expect it to be able to test non-Sage code.