imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-peerconnection.https.html
imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-no-sink.https.html

Are two almost constant text failure on iOS ToT. They have different DIFF outputs. However, they started to fail very frequently after 253529@main which makes them related.

HISTORY:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fmediacapture-record%2FMediaRecorder-peerconnection.https.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fmediacapture-record%2FMediaRecorder-no-sink.https.html

DIFF (imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-peerconnection.https.html):
@@ -1,21 +1,23 @@

+
+Harness Error (TIMEOUT), message = null

 PASS PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":false} with format [passthrough].
 PASS PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":false} with format [passthrough].
-PASS PeerConnection MediaRecorder receives data after onstart, {"video":false,"audio":true} with format [passthrough].
-PASS PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":false,"audio":true} with format [passthrough].
-PASS PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":true} with format [passthrough].
-PASS PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":true} with format [passthrough].
-FAIL PeerConnection MediaRecorder receives data after onstart, {"video":false,"audio":true} with format video/webm;codecs=vp8. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":false,"audio":true} with format video/webm;codecs=vp8. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":false} with format video/webm;codecs=vp8. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":false} with format video/webm;codecs=vp8. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":true} with format video/webm;codecs=vp8. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":true} with format video/webm;codecs=vp8. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder receives data after onstart, {"video":false,"audio":true} with format video/webm;codecs=vp9. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":false,"audio":true} with format video/webm;codecs=vp9. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":false} with format video/webm;codecs=vp9. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":false} with format video/webm;codecs=vp9. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":true} with format video/webm;codecs=vp9. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
-FAIL PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":true} with format video/webm;codecs=vp9. promise_test: Unhandled rejection with value: object "NotSupportedError: mimeType is not supported"
+TIMEOUT PeerConnection MediaRecorder receives data after onstart, {"video":false,"audio":true} with format [passthrough]. Test timed out
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":false,"audio":true} with format [passthrough].
+NOTRUN PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":true} with format [passthrough].
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":true} with format [passthrough].
+NOTRUN PeerConnection MediaRecorder receives data after onstart, {"video":false,"audio":true} with format video/webm;codecs=vp8.
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":false,"audio":true} with format video/webm;codecs=vp8.
+NOTRUN PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":false} with format video/webm;codecs=vp8.
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":false} with format video/webm;codecs=vp8.
+NOTRUN PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":true} with format video/webm;codecs=vp8.
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":true} with format video/webm;codecs=vp8.
+NOTRUN PeerConnection MediaRecorder receives data after onstart, {"video":false,"audio":true} with format video/webm;codecs=vp9.
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":false,"audio":true} with format video/webm;codecs=vp9.
+NOTRUN PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":false} with format video/webm;codecs=vp9.
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":false} with format video/webm;codecs=vp9.
+NOTRUN PeerConnection MediaRecorder receives data after onstart, {"video":true,"audio":true} with format video/webm;codecs=vp9.
+NOTRUN PeerConnection MediaRecorder gets ondata on stopping recorded tracks {"video":true,"audio":true} with format video/webm;codecs=vp9.

DIFF (imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-no-sink.https.html):
@@ -1,5 +1,7 @@
-PASS PeerConnection MediaRecorder records audio from PeerConnection without sinks
-PASS PeerConnection MediaRecorder records video from PeerConnection without sinks
-PASS PeerConnection MediaRecorder records audio/video from PeerConnection without sinks
+Harness Error (TIMEOUT), message = null
+TIMEOUT PeerConnection MediaRecorder records audio from PeerConnection without sinks Test timed out
+NOTRUN PeerConnection MediaRecorder records video from PeerConnection without sinks
+NOTRUN PeerConnection MediaRecorder records audio/video from PeerConnection without sinks
+