diff --git a/tests/mocha/index.html b/tests/mocha/index.html
index 17e15d2c7..6231da3ea 100644
--- a/tests/mocha/index.html
+++ b/tests/mocha/index.html
@@ -41,47 +41,76 @@
     <div id="failureMessages" style="display: none"></div>
     <div id="testFocusableTree1" tabindex="-1">
       Focusable tree 1
-      <div id="testFocusableTree1.node1" style="margin-left: 1em"; tabindex="-1">
+      <div id="testFocusableTree1.node1" style="margin-left: 1em" tabindex="-1">
         Tree 1 node 1
-        <div id="testFocusableTree1.node1.child1" style="margin-left: 2em"; tabindex="-1">
+        <div
+          id="testFocusableTree1.node1.child1"
+          style="margin-left: 2em"
+          tabindex="-1">
           Tree 1 node 1 child 1
-          <div id="testFocusableTree1.node1.child1.unregisteredChild1" style="margin-left: 3em"; tabindex="-1">
+          <div
+            id="testFocusableTree1.node1.child1.unregisteredChild1"
+            style="margin-left: 3em"
+            tabindex="-1">
             Tree 1 node 1 child 1 child 1 (unregistered)
           </div>
         </div>
       </div>
-      <div id="testFocusableTree1.node2" style="margin-left: 1em"; tabindex="-1">
+      <div id="testFocusableTree1.node2" style="margin-left: 1em" tabindex="-1">
         Tree 1 node 2
-        <div id="testFocusableTree1.node2.unregisteredChild1" style="margin-left: 2em"; tabindex="-1">
+        <div
+          id="testFocusableTree1.node2.unregisteredChild1"
+          style="margin-left: 2em"
+          tabindex="-1">
           Tree 1 node 2 child 2 (unregistered)
         </div>
       </div>
-      <div id="testFocusableTree1.unregisteredChild1" style="margin-left: 1em"; tabindex="-1">
+      <div
+        id="testFocusableTree1.unregisteredChild1"
+        style="margin-left: 1em"
+        tabindex="-1">
         Tree 1 child 1 (unregistered)
       </div>
     </div>
     <div id="testFocusableTree2" tabindex="-1">
       Focusable tree 2
-      <div id="testFocusableTree2.node1" style="margin-left: 1em"; tabindex="-1">
+      <div id="testFocusableTree2.node1" style="margin-left: 1em" tabindex="-1">
         Tree 2 node 1
-        <div id="testFocusableNestedTree4" style="margin-left: 2em"; tabindex="-1">
+        <div
+          id="testFocusableNestedTree4"
+          style="margin-left: 2em"
+          tabindex="-1">
           Nested tree 4
-          <div id="testFocusableNestedTree4.node1" style="margin-left: 3em"; tabindex="-1">
+          <div
+            id="testFocusableNestedTree4.node1"
+            style="margin-left: 3em"
+            tabindex="-1">
             Tree 4 node 1 (nested)
-            <div id="testFocusableNestedTree4.node1.unregisteredChild1" style="margin-left: 4em"; tabindex="-1">
+            <div
+              id="testFocusableNestedTree4.node1.unregisteredChild1"
+              style="margin-left: 4em"
+              tabindex="-1">
               Tree 4 node 1 child 1 (unregistered)
             </div>
           </div>
         </div>
       </div>
-      <div id="testFocusableNestedTree5" style="margin-left: 1em"; tabindex="-1">
+      <div id="testFocusableNestedTree5" style="margin-left: 1em" tabindex="-1">
         Nested tree 5
-        <div id="testFocusableNestedTree5.node1" style="margin-left: 2em"; tabindex="-1">Tree 5 node 1 (nested)</div>
+        <div
+          id="testFocusableNestedTree5.node1"
+          style="margin-left: 2em"
+          tabindex="-1">
+          Tree 5 node 1 (nested)
+        </div>
       </div>
     </div>
     <div id="testUnregisteredFocusableTree3" tabindex="-1">
       Unregistered tree 3
-      <div id="testUnregisteredFocusableTree3.node1" style="margin-left: 1em"; tabindex="-1">
+      <div
+        id="testUnregisteredFocusableTree3.node1"
+        style="margin-left: 1em"
+        tabindex="-1">
         Tree 3 node 1 (unregistered)
       </div>
     </div>