[gnome-settings-daemon/wip/claudio/CI] CI: TEST: Disable parallel testing when generating coverage reports

[Benjamin Berg <bberg src gnome org>]

commit eae620dc65c6d52112e15942cf8e6028f10bcd48
Author: Benjamin Berg <bberg redhat com>
Date:   Mon Feb 4 19:20:46 2019 +0100

    CI: TEST: Disable parallel testing when generating coverage reports

 .gitlab-ci.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bb7a9571..33628ffd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -99,12 +99,14 @@ coverage:
   variables:
     BUILD_OPTS: "-Db_coverage=true"
     coverage: '/^Lines:.\d+.\d+.(\d+\.\d+\%)/'
-  only:
-    - master@GNOME/gnome-settings-daemon
+#  only:
+#    - master@GNOME/gnome-settings-daemon
 
   script:
     - *environment_information
     - *build_procedure
+    - |
+      export MESON_TESTTHREADS=1
     - *run_tests
 
     - ninja -C _build coverage-html