check.gst-rtsp-server.gst_onvif.test_rate_control_no_frames_trick_mode: Sometimes times out

https://gitlab.freedesktop.org/slomo/gst-plugins-bad/-/jobs/421520

CK_DEFAULT_TIMEOUT='120' GST_PLUGIN_LOADING_WHITELIST='gstreamer:gst-plugins-base:gst-plugins-good:gst-plugins-bad:gst-rtsp-server' GST_STATE_IGNORE_ELEMENTS='' GST_PLUGIN_PATH_1_0='/builds/slomo/gst-plugins-bad/gst-build/build' GST_CHECKS='test_rate_control_no_frames_trick_mode' GST_REGISTRY='/builds/slomo/gst-plugins-bad/gst-build/build/subprojects/gst-rtsp-server/tests/check/gst/onvif.registry' GST_PLUGIN_SYSTEM_PATH_1_0='' /builds/slomo/gst-plugins-bad/gst-build/build/subprojects/gst-rtsp-server/tests/check/gst_onvif

gst_onvif output

Running suite(s): onvif

0%: Checks: 1, Failures: 0, Errors: 1 ../subprojects/gst-rtsp-server/tests/check/gst/onvif.c:892:E:general:test_rate_control_no_frames_trick_mode:0: (after this point) Test timeout expired Check suite onvif ran in 120.002s (tests failed: 1)

CC @meh