1 files changed, 8 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc/RTCRtpReceiver-getSynchronizationSources.https.html b/testing/web-platform/tests/webrtc/RTCRtpReceiver-getSynchronizationSources.https.html
index 8436a44ebc..cb5336f3f3 100644
--- a/testing/web-platform/tests/webrtc/RTCRtpReceiver-getSynchronizationSources.https.html
+++ b/testing/web-platform/tests/webrtc/RTCRtpReceiver-getSynchronizationSources.https.html
@@ -23,6 +23,14 @@ async function initiateSingleTrackCallAndReturnReceiver(t, kind) {
   exchangeIceCandidates(pc1, pc2);
   const trackEvent = await exchangeOfferAndListenToOntrack(t, pc1, pc2);
   await exchangeAnswer(pc1, pc2);
+
+  // Some browsers might need an audio element attached to the DOM.
+  const element = document.createElement(kind);
+  element.autoplay = true;
+  element.srcObject = trackEvent.streams[0];
+  document.body.appendChild(element);
+  t.add_cleanup(() => { document.body.removeChild(element) });
+
   return trackEvent.receiver;
 }