rtsp-server: `gst_rtspserver.test_multiple_transports` often times out
check.gst-rtsp-server.gst_rtspserver.test_multiple_transports
See https://gitlab.freedesktop.org/andika/gstreamer/-/jobs/13501402#L4935
Command
GST_REGISTRY='/builds/andika/gstreamer/gst-build/build/registry.dat' CK_DEFAULT_TIMEOUT='120' GST_STATE_IGNORE_ELEMENTS='' GST_PLUGIN_SCANNER_1_0='/builds/andika/gstreamer/gst-build/build/subprojects/gstreamer/libs/gst/helpers/gst-plugin-scanner' GST_PLUGIN_SYSTEM_PATH_1_0='' GST_PLUGIN_LOADING_WHITELIST='gstreamer:gst-plugins-base:gst-plugins-good:gst-plugins-bad:gst-rtsp-server@/builds/andika/gstreamer/gst-build/build' GST_CHECKS='test_multiple_transports' CK_TIMEOUT_MULTIPLIER='2.0' /builds/andika/gstreamer/gst-build/build/subprojects/gst-rtsp-server/tests/check/gst_rtspserver
gst_rtspserver output
Running suite(s): rtspserver
0%: Checks: 1, Failures: 0, Errors: 1
../subprojects/gst-rtsp-server/tests/check/gst/rtspserver.c:2469:E:general:test_multiple_transports:0: (after this point) Test timeout expired
Check suite rtspserver ran in 240.004s (tests failed: 1)