commit 5e3a0484f336ad9830acd99033b6c429320346d1
Author: Joel Pittet <joel@pittet.ca>
Date:   Mon Aug 31 23:16:00 2015 -0700

    more test and fix contextual

diff --git a/core/modules/contextual/contextual.module b/core/modules/contextual/contextual.module
index ef240d9..b1c37f8 100644
--- a/core/modules/contextual/contextual.module
+++ b/core/modules/contextual/contextual.module
@@ -83,8 +83,7 @@ function contextual_help($route_name, RouteMatchInterface $route_match) {
       $output .= '<dd>';
       $output .= t('Contextual links for an area on a page are displayed using a contextual links button. There are two ways to make the contextual links button visible:');
       $output .= '<ol>';
-      $sample_picture = '<img src="' . file_create_url('core/misc/icons/bebebe/pencil.svg') . '" alt="' . t('contextual links button') . '" />';
-      $output .= '<li>' . t('Hovering over the area of interest will temporarily make the contextual links button visible (which looks like a pencil in most themes, and is normally displayed in the upper right corner of the area). The icon typically looks like this: @picture', array('@picture' => $sample_picture)) . '</li>';
+      $output .= '<li>' . t('Hovering over the area of interest will temporarily make the contextual links button visible (which looks like a pencil in most themes, and is normally displayed in the upper right corner of the area). The icon typically looks like this: <img src="@picture_url" alt="contextual links button" />', array('@picture_url' => file_create_url('core/misc/icons/bebebe/pencil.svg'))) . '</li>';
       $output .= '<li>' . t('If you have the <a href="@toolbar">Toolbar module</a> enabled, clicking the contextual links button in the toolbar (which looks like a pencil) will make all contextual links buttons on the page visible. Clicking this button again will toggle them to invisible.', array('@toolbar' => (\Drupal::moduleHandler()->moduleExists('toolbar')) ? \Drupal::url('help.page', array('name' => 'toolbar')) : '#')) . '</li>';
       $output .= '</ol>';
       $output .= t('Once the contextual links button for the area of interest is visible, click the button to display the links.');
diff --git a/core/modules/help/src/Tests/HelpTest.php b/core/modules/help/src/Tests/HelpTest.php
index 6debc5b..d7ddab2 100644
--- a/core/modules/help/src/Tests/HelpTest.php
+++ b/core/modules/help/src/Tests/HelpTest.php
@@ -113,9 +113,11 @@ protected function verifyHelp($response = 200) {
         foreach ($admin_tasks as $task) {
           $this->assertLink($task['title']);
         }
-        // Ensure there are no double escaped '&'s or '<'s characters.
+        // Ensure there are no double escaped '& or '< characters.
         $this->assertNoEscaped('&amp;');
         $this->assertNoEscaped('&lt;');
+        // Ensure there are no  escaped '< characters.
+        $this->assertNoEscaped('<');
       }
     }
   }