[issue7055] Automatic test___all__

[R. David Murray]

R. David Murray <rdmurray at bitdance.com> added the comment:

For os.environ, wouldn't it be better to fix the tests so that they
don't disturb the environment?  Even if the CGIHTTPServer legitimately
modifies the environment, shouldn't it be the responsibility of its test
suite to wrap it so that the environment isn't modified when the tests
are done?

What _would_ be good, IMO, would be if regrtest would check for
modifications and complain.  Then we wouldn't have to wait until another
test was impacted by the bad test to catch it.

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nosy: +r.david.murray

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