Fix test status for Notification and MediaSource tests

tests/html/html.status

Index: tests/html/html.status
diff --git a/tests/html/html.status b/tests/html/html.status
index f7b56542a1a1bd237565af9d0e7a89ab31870880..6b6f755975f77f328e0dd13d98e87abe411a9a93 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -123,7 +123,7 @@ deferred_multi_app_htmltest: Skip # Times out on IE.  Issue 21537
 localstorage_test: Pass, RuntimeError # Issue 22166
 storage_test: Pass, RuntimeError # Issue 22166
 postmessage_structured_test/more_primitives: Fail # Does not support the MessageEvent constructor.
-notification_test: Fail # Notification not supported on IE
+notification_test/supported: Fail # Notification not supported on IE
 
 [$runtime == ie10 || $runtime == ie11 || ($runtime == chrome && $system == macos)]
 transition_event_test/functional: Skip # Times out. Issue 22167
@@ -242,6 +242,8 @@ webgl_1_test: Pass, Fail # Issue 8219
 canvasrenderingcontext2d_test/drawImage_video_element: Fail # Safari does not support drawImage w/ video element
 canvasrenderingcontext2d_test/drawImage_video_element_dataUrl: Fail # Safari does not support drawImage w/ video element
 element_test: Pass, Fail # Issue 21434
+mediasource_test: Pass, Fail # MediaSource only available on Safari 8 desktop, we can't express that.
+notification_test/constructors: Fail # Safari doesn't let us access the Notification fields to verify them
 
 # Safari Feature support statuses-
 # All changes should be accompanied by platform support annotation changes.