[gtk-doc: 2/2] Merge branch 'tests' into 'master'

[Stefan Sauer <stefkost src gnome org>]

commit ad76c0ccdb8a88ad0a3c1eb27f58794ee94de6e1
Merge: b84b964 c11728a
Author: Stefan Sauer <ensonic hora-obscura de>
Date:   Mon Dec 23 11:15:58 2019 +0000

    Merge branch 'tests' into 'master'
    
    meson: Fix running tests
    
    See merge request GNOME/gtk-doc!40

 .gitlab-ci.yml     |  1 +
 meson.build        |  8 +++++---
 tests/highlight.py |  0
 tests/meson.build  | 31 ++++++++++++++++---------------
 4 files changed, 22 insertions(+), 18 deletions(-)
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