[gnome-bluetooth/wip/hadess/default-adapter-work] ci: Install python-dbusmock fixes

[Bastien Nocera <hadess src gnome org>]

commit ae2cc74c034f08ac436af10161b875dab01c9111
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Jan 6 11:00:34 2022 +0100

    ci: Install python-dbusmock fixes
    
    See https://github.com/martinpitt/python-dbusmock/pull/99

 .gitlab-ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0743e40d..f38516e7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,8 +32,9 @@ build_stable:
     - ninja -C _build
     - ninja -C _build install
     # Install newer python-dbusmock
-    - git clone https://github.com/martinpitt/python-dbusmock.git
+    - git clone https://github.com/hadess/python-dbusmock.git
     - cd python-dbusmock
+    - git checkout -b wip/hadess/bluez-disco-fixes origin/wip/hadess/bluez-disco-fixes
     - python3 setup.py build
     - python3 setup.py install
     - cd ..