error_callback    161 tests/check/gst/gstsystemclock.c   result = gst_clock_id_wait_async (id, error_callback, NULL);
error_callback    177 tests/check/gst/gstsystemclock.c   result = gst_clock_id_wait_async (id2, error_callback, NULL);
error_callback    245 tests/check/gst/gstsystemclock.c   result = gst_clock_id_wait_async (id, error_callback, NULL);