2 files changed, 27 insertions, 1 deletions
diff --git a/testing/web-platform/tests/css/css-scoping/font-face-006.html b/testing/web-platform/tests/css/css-scoping/font-face-006.html
index 5eabe6ab76..8c6e341713 100644
--- a/testing/web-platform/tests/css/css-scoping/font-face-006.html
+++ b/testing/web-platform/tests/css/css-scoping/font-face-006.html
@@ -16,7 +16,7 @@
 </style>
 <div id="host"></div>
 <script>
-test(function() {
+promise_test(async function() {
   host.attachShadow({ mode: "open" }).innerHTML = `
     <style>
       :host::before, :host::after {
@@ -27,6 +27,8 @@ test(function() {
     <slot></slot>
   `;
 
+  await document.fonts.ready;
+
   //shrinkwrapped size for a default font will be a bit more than 80-90
   //if the font is applied, it will be a bit more than 160
   assert_greater_than(document.getElementById('host').offsetWidth, 160);
diff --git a/testing/web-platform/tests/css/css-scoping/host-defined.html b/testing/web-platform/tests/css/css-scoping/host-defined.html
new file mode 100644
index 0000000000..9e9776754a
--- /dev/null
+++ b/testing/web-platform/tests/css/css-scoping/host-defined.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Shadow host is considered, but does not match :defined</title>
+<link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org">
+<link rel="help" href="https://crbug.com/332587538">
+<link rel="help" href="https://drafts.csswg.org/selectors/#featureless">
+<link rel="match" href="/css/reference/ref-filled-green-100px-square-only.html">
+<p>Test passes if there is a filled green square.</p>
+<div id="host"></div>
+<script>
+  host.attachShadow({mode: "open"}).innerHTML = `
+    <style>
+      :host div {
+        width: 100px;
+        height: 100px;
+        background-color: red;
+      }
+      :not(:defined) div {
+        background-color: green;
+      }
+    </style>
+    <div></div>
+  `;
+</script>