[PATCH 6 of 6 V2] test-pattern: actually update tests using the patterns

[Augie Fackler]

On Mon, Nov 13, 2017 at 12:11:20PM +0100, Boris Feld wrote:
> # HG changeset patch
> # User Boris Feld <boris.feld at octobus.net>
> # Date 1509866592 -3600
> #      Sun Nov 05 08:23:12 2017 +0100
> # Node ID 715948f2256fa181c4f3730825492f9da0f74b2e
> # Parent  c06ed80fc1063905dc6a711fc32c88d5913b0db6
> # EXP-Topic better-substitute
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r 715948f2256f
> test-pattern: actually update tests using the patterns


I love this feature. Buuuuut, could we get away with a non-.py file
for configuring the substitutions? Maybe just use a configparser file
for now?

I'm hesitant to use Python files for config languages, it's been a bad
experience in the past.