[issue3379] Option to not-exit on test

[Michael Foord]

Michael Foord <michael at voidspace.org.uk> added the comment:

Not returning the results is not a problem - if you needed access to the
results you would hardly be using this API in the first place.

The obvious use case if for running tests from an interactive
environment where you are using the visual output on stdout.

If you want to collect the results you do it programmatically.

I wouldn't be opposed to main() returning the results though, but think
we should apply the patch rather than debate further. To action!

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nosy: +michael.foord

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