tst_QMediaRecorderBackend: record_writesVideo_whenInputFrameGrowsOverTime test failures

t.qpa.plugin: Could not load the Qt platform plugin "wayland" in "" even though it was found.
********* Start testing of tst_QMediaRecorderBackend *********
Config: Using QtTest library 6.10.0, Qt 6.10.0 (x86_64-little_endian-lp64 shared (dynamic) debug build; by Ubuntu Clang 20.1.2 (0ubuntu1)), ubuntu 25.04
PASS   : tst_QMediaRecorderBackend::initTestCase()
QINFO  : tst_QMediaRecorderBackend::record_writesVideo_whenInputFrameGrowsOverTime() qt.multimedia.ffmpeg: Using Qt multimedia with FFmpeg version 7.1.1-1ubuntu1.1 GPL version 2 or later
QINFO  : tst_QMediaRecorderBackend::record_writesVideo_whenInputFrameGrowsOverTime() qt.multimedia.ffmpeg.encoder: Recording new media with muxer MP4 (MPEG-4 Part 14) to "/tmp/tst_qmediarecorderbackend.yuhTlE" with format: QMediaFormat::MPEG4, QMediaFormat::AudioCodec::AAC, QMediaFormat::VideoCodec::H265
QWARN  : tst_QMediaRecorderBackend::record_writesVideo_whenInputFrameGrowsOverTime() Invalid frameRate 0 ; Using the default instead
[hevc_vaapi @ 0x727253131880] No usable encoding entrypoint found for profile VAProfileHEVCMain444_12 (28).
QWARN  : tst_QMediaRecorderBackend::record_writesVideo_whenInputFrameGrowsOverTime() qt.multimedia.ffmpeg.videoencoder: Couldn't open video encoder "hevc_vaapi" ; result: "Function not implemented"
FAIL!  : tst_QMediaRecorderBackend::record_writesVideo_whenInputFrameGrowsOverTime() 'f.m_videoInput.sendVideoFrame(f.m_videoGenerator.createFrame())' returned FALSE. ()
   Loc: [/home/tim/dev/qt6-dev/qtmultimedia/tests/auto/integration/qmediarecorderbackend/tst_qmediarecorderbackend.cpp(288)]
PASS   : tst_QMediaRecorderBackend::cleanupTestCase()
Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 13266ms
********* Finished testing of tst_QMediaRecorderBackend *********