test pipelines_parse_launch.delayed_link fails occasionaly

CI log: https://gitlab.freedesktop.org/alatiera/gst-ci/-/jobs/76359

check.gstreamer.pipelines_parse_launch.delayed_link: Failed 'Application returned 1'
       You can reproduce with: GST_PLUGIN_LOADING_WHITELIST='gstreamer' GST_PLUGIN_SCANNER_1_0='/builds/alatiera/gst-ci/gst-build/build/subprojects/gstreamer/libs/gst/helpers/gst-plugin-scanner' GST_CHECKS='delayed_link' GST_STATE_IGNORE_ELEMENTS='' GST_PLUGIN_PATH_1_0='/builds/alatiera/gst-ci/gst-build/build' GST_PLUGIN_SYSTEM_PATH_1_0='' CK_DEFAULT_TIMEOUT='20' GST_REGISTRY='/builds/alatiera/gst-ci/gst-build/build/subprojects/gstreamer/tests/check/pipelines_parse_launch.registry' /builds/alatiera/gst-ci/gst-build/build/subprojects/gstreamer/tests/check/pipelines_parse_launch

Dumping log files on failure

Dumping contents of /builds/alatiera/gst-ci/validate-output/logs/check/gstreamer/pipelines_parse_launch/delayed_link

=================
Test name: check.gstreamer.pipelines_parse_launch.delayed_link
Command: '/builds/alatiera/gst-ci/gst-build/build/subprojects/gstreamer/tests/check/pipelines_parse_launch'
=================

Running suite(s): Parse Launch syntax
0%: Checks: 1, Failures: 1, Errors: 0
../subprojects/gstreamer/tests/check/pipelines/parse-launch.c:441:F:parselaunch:delayed_link:0: Failure 'gst_element_get_state (src, NULL, NULL, GST_CLOCK_TIME_NONE) == GST_STATE_CHANGE_FAILURE' occurred
Check suite parse ran in 0.068s (tests failed: 1)