.arcconfig

run-tests: fix test result verbosity

A previous refactoring created the test result with a verbosity of 0 hiding
some of the outputs in the normal case.

Differential Revision: https://phab.mercurial-scm.org/D3898

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}