Update to Drupal 8.1.0. For more information, see https://www.drupal.org/drupal-8.1.0-release-notes

core/modules/help/src/Tests/HelpBlockTest.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Drupal\help\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Tests display of help block.
+ *
+ * @group help
+ */
+class HelpBlockTest extends WebTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['help', 'help_page_test', 'block'];
+
+  /**
+   * The help block instance.
+   *
+   * @var \Drupal\block\Entity\Block
+   */
+  protected $helpBlock;
+
+  protected function setUp() {
+    parent::setUp();
+    $this->helpBlock = $this->placeBlock('help_block');
+  }
+
+  /**
+   * Logs in users, tests help pages.
+   */
+  public function testHelp() {
+    $this->drupalGet('help_page_test/has_help');
+    $this->assertText(t('I have help!'));
+    $this->assertText($this->helpBlock->label());
+
+    $this->drupalGet('help_page_test/no_help');
+    // The help block should not appear when there is no help.
+    $this->assertNoText($this->helpBlock->label());
+  }
+
+}