[tracker-miners/wip/carlosg/tap-tests] ci: Do not set any log domain for tests

[Carlos Garnacho <carlosg src gnome org>]

commit af518cf7ead067c80c6dcd30ae0b81261a48fb1f
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Mar 22 12:35:55 2021 +0100

    ci: Do not set any log domain for tests
    
    Otherwise the TAP protocol output gets messed up by the verbose
    logging.

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e8d6b9a21..3f077fb01 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@
 variables:
   # These can be used to see verbose log output from the functional-tests.
   # See HACKING.md for more information.
-  G_MESSAGES_DEBUG: "Tracker"
+  G_MESSAGES_DEBUG: ""
   TRACKER_DEBUG: ""
 
   # This can be used when debugging test failures that only occur within GitLab CI.