And move it to the element/glmixer.c testsuite where it belongs. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9139>
And move it to the element/glmixer.c testsuite where it belongs. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9139>