use excludeHidden over isHidden fn

lib/core/utils/is-hidden.js

@@ -15,14 +15,6 @@ axe.utils.isHidden = function isHidden(el, recursed) {
 		return false;
 	}
 
-	/**
-	 * Handle media elements that can be hidden by the absence of an attribute
-	 * Eg: `audio` without `controls` attribute is hidden by default,
-	 */
-	if (el.nodeName.toUpperCase() === `AUDIO` && !el.hasAttribute('controls')) {
-		return false;
-	}
-
 	// 11 === Node.DOCUMENT_FRAGMENT_NODE
 	if (el.nodeType === 11) {
 		el = el.host; // grab the host Node

lib/rules/no-autoplay-audio.json

@@ -1,5 +1,6 @@
 {
 	"id": "no-autoplay-audio",
+	"excludeHidden": false,
 	"selector": "audio[autoplay], video[autoplay]",
 	"matches": "no-autoplay-audio-matches.js",
 	"tags": ["wcag2a", "wcag142", "experimental"],

test/core/utils/is-hidden.js

@@ -40,27 +40,6 @@ describe('axe.utils.isHidden', function() {
 		assert.isFalse(axe.utils.isHidden(document));
 	});
 
-	it('should return false on a `audio` element without `controls` attribute', function() {
-		fixture.innerHTML =
-			'<audio id="target" src="/test/assets/moon-speech.mp3"></audio>';
-		var el = document.getElementById('target');
-		assert.isFalse(axe.utils.isHidden(el));
-	});
-
-	it('should return false on a `audio` element with `controls` attribute', function() {
-		fixture.innerHTML =
-			'<audio id="target" src="/test/assets/moon-speech.mp3" controls></audio>';
-		var el = document.getElementById('target');
-		assert.isFalse(axe.utils.isHidden(el));
-	});
-
-	it('should return true on a `audio` element with `controls` attribute but `display:none`', function() {
-		fixture.innerHTML =
-			'<audio id="target" src="/test/assets/moon-speech.mp3" style="display: none" controls></audio>';
-		var el = document.getElementById('target');
-		assert.isTrue(axe.utils.isHidden(el));
-	});
-
 	it('should return true if `aria-hidden` is set', function() {
 		fixture.innerHTML =
 			'<div id="target" aria-hidden="true">Hidden from screen readers</div>';