[GRASS-git] [OSGeo/grass] 984d11: gunittest: Fix stdout used instead of stderr (#1707)

[Vaclav Petras]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 984d11afb20938959c8765be93c3927ca42256ce
      https://github.com/OSGeo/grass/commit/984d11afb20938959c8765be93c3927ca42256ce
  Author: Vaclav Petras <wenzeslaus at gmail.com>
  Date:   2021-07-03 (Sat, 03 Jul 2021)

  Changed paths:
    M python/grass/gunittest/invoker.py

  Log Message:
  -----------
  gunittest: Fix stdout used instead of stderr (#1707)

Changes in 51fc3d6276a4f7468e3add3e535f99ff5f21ee91 (#1539) introduced a bug where stdout
was used always, so stderr was never visible in test results.
This uses the correct local variable, not the stdout from outer scope.