only in patch2:
unchanged:
--- a/modules/menu/menu.test
+++ b/modules/menu/menu.test
@@ -216,6 +216,21 @@ class MenuTestCase extends DrupalWebTestCase {
     $this->verifyMenuLink($item2, $node2, $item1, $node1);
     $this->verifyMenuLink($item3, $node3, $item2, $node2);
 
+    // Verify first level of menu tree.
+    $parameters = array();
+    $tree = menu_build_tree($menu_name, $parameters);
+    foreach ($tree as $tree_item) {
+      $has_title = !empty($tree_item['link']['title']);
+      $this->assertTrue($has_title);
+    }
+
+    // Load tree a second time with the same parameters so we get a cached tree.
+    $tree_second = menu_build_tree($menu_name, $parameters);
+    foreach ($tree_second as $tree_second_item) {
+      $has_title = !empty($tree_item['link']['title']);
+      $this->assertTrue($has_title);
+    }
+
     // Add more menu links.
     $item4 = $this->addMenuLink(0, 'node/' . $node4->nid, $menu_name);
     $item5 = $this->addMenuLink($item4['mlid'], 'node/' . $node5->nid, $menu_name);