diff -u b/core/modules/node/src/Tests/PageEditTest.php b/core/modules/node/src/Tests/PageEditTest.php
--- b/core/modules/node/src/Tests/PageEditTest.php
+++ b/core/modules/node/src/Tests/PageEditTest.php
@@ -19,7 +19,7 @@
   /**
    * Modules to enable.
    *
-   * @var array
+   * @var string[]
    */
   public static $modules = ['block', 'node', 'datetime'];
 
diff -u b/core/modules/search/src/Tests/SearchPageTextTest.php b/core/modules/search/src/Tests/SearchPageTextTest.php
--- b/core/modules/search/src/Tests/SearchPageTextTest.php
+++ b/core/modules/search/src/Tests/SearchPageTextTest.php
@@ -26,10 +26,13 @@
   /**
    * Modules to enable.
    *
-   * @var array
+   * @var string[]
    */
-  public static $modules = ['block', 'node', 'search', 'dblog'];
+  public static $modules = ['block'];
 
+  /**
+   * {@inheritdoc}
+   */
   protected function setUp() {
     parent::setUp();
 
diff -u b/core/modules/system/src/Plugin/Block/SystemTabsBlock.php b/core/modules/system/src/Plugin/Block/SystemTabsBlock.php
--- b/core/modules/system/src/Plugin/Block/SystemTabsBlock.php
+++ b/core/modules/system/src/Plugin/Block/SystemTabsBlock.php
@@ -19,7 +19,6 @@
  *   id = "system_tabs_block",
  *   admin_label = @Translation("Tabs"),
  * )
- * )
  */
 class SystemTabsBlock extends BlockBase implements ContainerFactoryPluginInterface {
 
diff -u b/core/modules/system/src/Tests/Menu/LocalTasksTest.php b/core/modules/system/src/Tests/Menu/LocalTasksTest.php
--- b/core/modules/system/src/Tests/Menu/LocalTasksTest.php
+++ b/core/modules/system/src/Tests/Menu/LocalTasksTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Contains \1.
+ * Contains \Drupal\system\Tests\Menu\LocalTasksTest.
  */
 
 namespace Drupal\system\Tests\Menu;
diff -u b/core/modules/user/src/Tests/UserRoleAdminTest.php b/core/modules/user/src/Tests/UserRoleAdminTest.php
--- b/core/modules/user/src/Tests/UserRoleAdminTest.php
+++ b/core/modules/user/src/Tests/UserRoleAdminTest.php
@@ -28,10 +28,13 @@
   /**
    * Modules to enable.
    *
-   * @var array
+   * @var string[]
    */
   public static $modules = ['block'];
 
+  /**
+   * {@inheritdoc}
+   */
   protected function setUp() {
     parent::setUp();
     $this->adminUser = $this->drupalCreateUser(array('administer permissions', 'administer users'));
diff -u b/core/themes/seven/templates/page.html.twig b/core/themes/seven/templates/page.html.twig
--- b/core/themes/seven/templates/page.html.twig
+++ b/core/themes/seven/templates/page.html.twig
@@ -46,10 +46,9 @@
  * - page.sidebar_second: Items for the second sidebar.
  * - page.page_bottom: Items for the footer region.
  * - page.breadcrumb: Items for the breadcrumb region.
- * - tabs: Tabs linking to any sub-pages beneath the current page (e.g., the
- *   view and edit tabs when displaying a node).
- * - action_links: Actions local to the page, such as "Add menu" on the menu
- *   administration interface.
+ * - page.primary_tabs: Items for the primary tabs region.
+ * - page.secondary_tabs: Items for the secondary tabs region.
+ * - page.action_links: Items for the action links region.
  *
  * @see template_preprocess_page()
  * @see seven_preprocess_page()
@@ -96,2 +95,3 @@
     </main>
+
   </div>