elements_splitmux.test_splitmuxsink_async: Sometimes fails with "Assertion 'GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS' failed"

check.gst-plugins-good.elements_splitmux.test_splitmuxsink_async: Failed 'Application returned 1'
       You can reproduce with: GST_CHECKS='test_splitmuxsink_async' GST_PLUGIN_SYSTEM_PATH_1_0='' GST_PLUGIN_PATH_1_0='/builds/gstreamer/gst-plugins-good/gst-build/build' CK_DEFAULT_TIMEOUT='20' GST_PLUGIN_LOADING_WHITELIST='gstreamer:gst-plugins-base:gst-plugins-good@/builds/gstreamer/gst-plugins-good/gst-build/build' GST_REGISTRY='/builds/gstreamer/gst-plugins-good/gst-build/build/subprojects/gst-plugins-good/tests/check/elements_splitmux.registry' GST_STATE_IGNORE_ELEMENTS='aasink autoaudiosrc autoaudiosink autovideosrc
 autovideosink cacasink cairotextoverlay jackaudiosrc jackaudiosink
 osssrc osssink osxaudiosink osxaudiosrc osxvideosrc osxvideosink
 pulsesink pulsesrc pulsemixer v4l2src' /builds/gstreamer/gst-plugins-good/gst-build/build/subprojects/gst-plugins-good/tests/check/elements_splitmux

Dumping log files on failure

Dumping contents of /builds/gstreamer/gst-plugins-good/validate-output/logs/check/gst-plugins-good/elements_splitmux/test_splitmuxsink_async

=================
Test name: check.gst-plugins-good.elements_splitmux.test_splitmuxsink_async
Command: '/builds/gstreamer/gst-plugins-good/gst-build/build/subprojects/gst-plugins-good/tests/check/elements_splitmux'
=================

Running suite(s): splitmux
0:00:00.429591130 15138 0x7eff80004400 ERROR     splitmuxpartreader gstsplitmuxpartreader.c:1180:gst_splitmux_part_reader_activate:<splitmuxpartreader4> Failed to seek part to time segment start=0:00:00.000000000, offset=0:00:00.000000000, stop=99:99:99.999999999, rate=-1.000000, applied_rate=1.000000, flags=0x01, time=0:00:00.000000000, base=0:00:00.000000000, position 0:00:03.000000000, duration 0:00:03.000000000
0:00:00.433396534 15138       0x9c9f70 ERROR     splitmuxpartreader gstsplitmuxpartreader.c:1180:gst_splitmux_part_reader_activate:<splitmuxpartreader4> Failed to seek part to time segment start=0:00:00.000000000, offset=0:00:00.000000000, stop=99:99:99.999999999, rate=-1.000000, applied_rate=1.000000, flags=0x01, time=0:00:00.000000000, base=0:00:00.000000000, position 0:00:03.000000000, duration 0:00:03.000000000
ERROR from element source: Could not read from resource.
Debugging info: ../subprojects/gst-plugins-good/gst/multifile/gstsplitmuxsrc.c(1063): gst_splitmux_end_of_part (): /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin1/GstSplitMuxSrc:source:
Failed to activate part 2
0%: Checks: 1, Failures: 1, Errors: 0
../subprojects/gst-plugins-good/tests/check/elements/splitmux.c:237:F:general:test_splitmuxsink_async:0: Assertion 'GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS' failed
Check suite splitmux ran in 0.439s (tests failed: 1)

I couldn't reproduce this one here.