diff --git a/testing/web-platform/meta/mediacapture-record/__dir__.ini b/testing/web-platform/meta/mediacapture-record/__dir__.ini
new file mode 100644
index 000000000000..fcfb216d298b
--- /dev/null
+++ b/testing/web-platform/meta/mediacapture-record/__dir__.ini
@@ -0,0 +1 @@
+prefs: [media.navigator.permission.disabled:true, media.navigator.streams.fake:true, media.devices.insecure.enabled:false, dom.security.featurePolicy.enabled:true, dom.security.featurePolicy.header.enabled:true, dom.security.featurePolicy.webidl.enabled:true]
diff --git a/testing/web-platform/tests/mediacapture-record/MediaRecorder-creation.https.html b/testing/web-platform/tests/mediacapture-record/MediaRecorder-creation.https.html
index 57e636c69846..419211c9dcf6 100644
--- a/testing/web-platform/tests/mediacapture-record/MediaRecorder-creation.https.html
+++ b/testing/web-platform/tests/mediacapture-record/MediaRecorder-creation.https.html
@@ -26,7 +26,7 @@
       });
 
       const onError = test.unreached_func('Error creating MediaStream.');
-      navigator.getUserMedia(constraints, gotStream, onError);
+      navigator.mediaDevices.getUserMedia(constraints).then(gotStream, onError);
     }, message);
   }
 
diff --git a/testing/web-platform/tests/mediacapture-record/MediaRecorder-disabled-tracks.https.html b/testing/web-platform/tests/mediacapture-record/MediaRecorder-disabled-tracks.https.html
index fe26e0c9616a..52e0010cfef0 100644
--- a/testing/web-platform/tests/mediacapture-record/MediaRecorder-disabled-tracks.https.html
+++ b/testing/web-platform/tests/mediacapture-record/MediaRecorder-disabled-tracks.https.html
@@ -46,7 +46,7 @@
       });
 
       const onError = test.unreached_func('Error creating MediaStream.');
-      navigator.getUserMedia(args[1], gotStream, onError);
+      navigator.mediaDevices.getUserMedia(args[1]).then(gotStream, onError);
     }, args[0]);
   });