[issue12167] test_packaging reference leak

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

> test_build_ext builds and imports xx.

I changed test test to use a subprocess:

New changeset 144cea8db9a5 by Victor Stinner in branch 'default':
Issue #12333: run tests on the new module in a subprocess
http://hg.python.org/cpython/rev/144cea8db9a5

It should fix refleaks because it is not possible to unload a module written in C.

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