Merge pull request #1809 from lightpanda-io/fix_flaky_test

Fix a flaky frame test

src/browser/tests/frames/frames.html

@@ -108,7 +108,7 @@
   {
     let f5 = document.createElement('iframe');
     f5.id = 'f5';
-    f5.src = "support/sub 1.html";
+    f5.src = "support/page.html";
     document.documentElement.appendChild(f5);
     f5.src = "about:blank";