diff --git a/dom/nodes/Element-class-alias.html b/dom/nodes/Element-class-alias.html
index 3a43cda76c4f66..2f9b5742c7e172 100644
--- a/dom/nodes/Element-class-alias.html
+++ b/dom/nodes/Element-class-alias.html
@@ -1,6 +1,8 @@
 <!DOCTYPE HTML>
 <meta charset=utf-8>
 <title>class alias for className</title>
+<link rel="author" title="Psychpsyo" href="mailto:psychpsyo@gmail.com">
+<link rel="help" href="https://dom.spec.whatwg.org/#dom-element-class">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <h1>Tests if the class and className IDL attributes do the same</h1>
@@ -8,23 +10,23 @@ <h1>Tests if the class and className IDL attributes do the same</h1>
 
 <script>
 test(function() {
-  assert_equals(testDiv.class, "", "class must reflect \"class\"");
-  assert_equals(testDiv.className, "", "className must reflect \"class\"");
+  assert_true(testDiv.class == "", "class must reflect \"class\"");
+  assert_true(testDiv.className == "", "className must reflect \"class\"");
 
   testDiv.setAttribute("class", "test 1");
-  assert_equals(testDiv.class, "test 1", "class must reflect changes made to \"class\"");
-  assert_equals(testDiv.className, "test 1", "className must reflect changes made to \"class\"");
+  assert_true(testDiv.class == "test 1", "class must reflect changes made to \"class\"");
+  assert_true(testDiv.className == "test 1", "className must reflect changes made to \"class\"");
 });
 test(function() {
   testDiv.className = "test 2";
-  assert_equals(testDiv.class, "test 2", "setting className must be reflected by class");
-  assert_equals(testDiv.className, "test 2", "setting className must be reflected by className");
-  assert_equals(testDiv.getAttribute("class"), "test 2", "setting className must be reflected by \"class\"");
+  assert_true(testDiv.class == "test 2", "setting className must be reflected by class");
+  assert_true(testDiv.className == "test 2", "setting className must be reflected by className");
+  assert_true(testDiv.getAttribute("class") == "test 2", "setting className must be reflected by \"class\"");
 });
 test(function() {
   testDiv.class = "test 3";
-  assert_equals(testDiv.class, "test 3", "setting class must be reflected by class");
-  assert_equals(testDiv.className, "test 3", "setting class must be reflected by className");
-  assert_equals(testDiv.getAttribute("class"), "test 3", "setting class must be reflected by \"class\"");
+  assert_true(testDiv.class == "test 3", "setting class must be reflected by class");
+  assert_true(testDiv.className == "test 3", "setting class must be reflected by className");
+  assert_true(testDiv.getAttribute("class") == "test 3", "setting class must be reflected by \"class\"");
 });
 </script>
diff --git a/html/the-elements-of-html/html_for_alias.html b/html/the-elements-of-html/html_for_alias.html
index 75b358418d9a54..dc1852ef07b962 100644
--- a/html/the-elements-of-html/html_for_alias.html
+++ b/html/the-elements-of-html/html_for_alias.html
@@ -1,6 +1,9 @@
 <!DOCTYPE HTML>
 <meta charset=utf-8>
 <title>for alias for htmlFor</title>
+<link rel="author" title="Psychpsyo" href="mailto:psychpsyo@gmail.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-label-for">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-output-for">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <h1>Tests if the for and htmlFor IDL attributes on &lt;label&gt; and &lt;output&gt; and do the same</h1>
@@ -9,26 +12,26 @@ <h1>Tests if the for and htmlFor IDL attributes on &lt;label&gt; and &lt;output&
 const elements = [document.createElement("label"), document.createElement("output")]
 test(function() {
   for (const elem of elements) {
-    assert_equals(elem.for, "", "for must reflect \"for\"");
-    assert_equals(elem.htmlFor, "", "htmlFor must reflect \"for\"");
+    assert_true(elem.for == "", "for must reflect \"for\"");
+    assert_true(elem.htmlFor == "", "htmlFor must reflect \"for\"");
 
     elem.setAttribute("for", "test1");
-    assert_equals(elem.for, "test1", "for must reflect changes made to \"for\"");
-    assert_equals(elem.htmlFor, "test1", "htmlFor must reflect changes made to \"for\"");
+    assert_true(elem.for == "test1", "for must reflect changes made to \"for\"");
+    assert_true(elem.htmlFor == "test1", "htmlFor must reflect changes made to \"for\"");
   }
 });
 test(function() {
   for (const elem of elements) {
     elem.htmlFor = "test2";
-    assert_equals(elem.for, "test2", "setting htmlFor must be reflected by for");
-    assert_equals(elem.htmlFor, "test2", "setting htmlFor must be reflected by htmlFor");
+    assert_true(elem.for == "test2", "setting htmlFor must be reflected by for");
+    assert_true(elem.htmlFor == "test2", "setting htmlFor must be reflected by htmlFor");
   }
 });
 test(function() {
   for (const elem of elements) {
     elem.for = "test3";
-    assert_equals(elem.for, "test3", "setting for must be reflected by for");
-    assert_equals(elem.htmlFor, "test3", "setting for must be reflected by htmlFor");
+    assert_true(elem.for == "test3", "setting for must be reflected by for");
+    assert_true(elem.htmlFor == "test3", "setting for must be reflected by htmlFor");
   }
 });
 </script>
