ci: Include tests/ for linting

Linting isn't exclusively about coding style, but can detect
actual bugs.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2822>

diff --git a/.gitlab-ci/run-eslint b/.gitlab-ci/run-eslint
index 5d0e41c8e131ce3bced07b8ba1d69d1275d6d00d..276a542f57c3566ec5abcea5c1e11cc4d64faf04 100755 (executable)
--- a/.gitlab-ci/run-eslint
+++ b/.gitlab-ci/run-eslint
@@ -105,7 +105,7 @@ function getOption(...names) {
     const remote = getOption('--remote') || 'origin';
     const branch = getOption('--branch', '-b');
 
-    const sources = ['js', 'subprojects/extensions-app/js'];
+    const sources = ['js', 'subprojects/extensions-app/js', 'tests'];
     const regular = createConfig('regular');
 
     const ops = [];