Pierre-Yves David <pierre-yves.david@octobus.net> [Mon, 03 May 2021 12:29:19 +0200] rev 47234
upgrade: display sidedata before upgrade
This is a small gratuitous change that help making the test simpler to
understand on its own.
Differential Revision: https://phab.mercurial-scm.org/D10614