[issue3602] Move test.test_suport.catch_warning() to the 'warnings' module

[Brett Cannon]

Brett Cannon <brett at python.org> added the comment:

On Wed, Aug 20, 2008 at 10:29 AM, Benjamin Peterson
<report at bugs.python.org> wrote:
>
> Benjamin Peterson <musiccomposition at gmail.com> added the comment:
>
> I don't think the using argument should live in warnings; it's too test
> specific. I recommend we still keep a catch_warning in test_support (or
> even just test_warnings since this seems to be the only use-case).
>

But decoupling from the core code of the context manager for this is
not straight-forward without mucking around in sys.modules and that is
always a risky thing to do.

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