Bug 1509859 [wpt PR 14234] - Update wpt metadata, a=testonly

wpt-pr: 14234
wpt-type: metadata

testing/web-platform/meta/resource-timing/buffer-full-add-after-full-event.html.ini

@@ -0,0 +1,5 @@
+[buffer-full-add-after-full-event.html]
+  expected: TIMEOUT
+  [Test that entry was added to the buffer after a buffer full event]
+    expected: TIMEOUT
+

testing/web-platform/meta/resource-timing/buffer-full-add-entries-during-callback-that-drop.html.ini

@@ -0,0 +1,5 @@
+[buffer-full-add-entries-during-callback-that-drop.html]
+  expected: TIMEOUT
+  [Test that entries synchronously added to the buffer during the callback are dropped]
+    expected: TIMEOUT
+

testing/web-platform/meta/resource-timing/buffer-full-add-entries-during-callback.html.ini

@@ -0,0 +1,5 @@
+[buffer-full-add-entries-during-callback.html]
+  expected: TIMEOUT
+  [Test that entries synchronously added to the buffer during the callback don't get dropped if the buffer is increased]
+    expected: TIMEOUT
+