Web fixes.

tests/browser-actions.html

@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="en"><meta charset="utf-8"><title>Cthulhu Browser Probe</title>
+<h1 tabindex="0">Action fixture start</h1>
+<iframe title="Mode header" srcdoc="<!doctype html><body onload='document.onclick=function(event){if(event.target.closest(&quot;a&quot;)) parent.chooseMode(event.target.closest(&quot;a&quot;).id)}'><a id='Basic'>BASIC</a> <a id='Advanced'>ADVANCED</a><p>Plain header text</p></body>"></iframe>
+<iframe id="content" title="Mode content" srcdoc="<!doctype html><p>Initial mode content</p>"></iframe>
+<p>Plain body text</p>
+<div id="custom" onclick="this.setAttribute('aria-label', 'Custom activated')"><span>Custom action</span><button>Nested button</button></div>
+<a id="inactive">Anchor without action</a>
+<a id="hidden" hidden onclick="chooseMode('Hidden')">Hidden action</a>
+<a id="ordinary" href="#destination"><span>Ordinary link</span></a>
+<p id="destination">Destination</p>
+<script>
+function chooseMode(mode) {
+  document.getElementById('content').srcdoc = '<!doctype html><p>' + mode + ' mode content</p>';
+  document.querySelector('h1').setAttribute('aria-label', mode + ' activated');
+}
+</script>
+</html>

tests/browser-link-sounds.html

@@ -0,0 +1,18 @@
+<!doctype html>
+<html lang="en"><meta charset="utf-8"><title>Cthulhu Browser Probe</title>
+<style>
+body { margin: 8px; }
+.row { height: 60px; }
+a { display: block; position: relative; width: 140px; }
+.center { left: calc(50% - 70px); }
+.right { left: calc(100% - 140px); }
+@media (max-width: 1000px) { main { margin-top: 1000px; } }
+</style>
+<h1 tabindex="0">Sound fixture start</h1>
+<main>
+<div class="row"><a href="#destination"><span>Left link label</span></a></div>
+<div class="row"><a class="center" href="#destination"><span>Center link label</span></a></div>
+<div class="row"><a class="right" href="#destination"><span>Right link label</span></a></div>
+</main>
+<p id="destination">Destination</p>
+</html>

tests/native_browser.py

@@ -12,6 +12,8 @@ from native_test_session import run_private_session
 
 
 BROWSER_PROOFS = {
+    "actions": ("./internal/app", "^TestNativeBrowserActionOwnership$", 35, 40, "browser-actions.html"),
+    "link-sounds": ("./internal/app", "^TestNativeBrowserCaretLinkSounds$", 40, 45, "browser-link-sounds.html"),
     "article": ("./internal/atspi", "^TestNativeBrowserArticleContext$", 30, 35, "browser-article.html"),
     "emoji": ("./internal/app", "^TestNativeBrowserEmoji$", 35, 40, "browser-emoji.html"),
     "structural-focus": ("./internal/app", "^TestNativeBrowserStructuralFocus$", 45, 50),