They're related subjects, and deserve top level display.
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5510>
-Continuous Integration & Testing
-================================
+Continuous Integration
+======================
 
 
 GitLab CI
 
    faq
    relnotes
    thanks
-   conform
 
 .. toctree::
    :maxdepth: 2
    devinfo
    codingstyle
    submittingpatches
-   ci/index
    releasing
    release-calendar
    sourcedocs
    dispatch
    gallium/index
 
+.. toctree::
+   :maxdepth: 1
+   :caption: Testing
+   :hidden:
+
+   conform
+   ci/index
+
 .. toctree::
    :maxdepth: 1
    :caption: Links