diff -u b/session_example/session_example.info.yml b/session_example/session_example.info.yml
--- b/session_example/session_example.info.yml
+++ b/session_example/session_example.info.yml
@@ -8 +7,0 @@
-
diff -u b/session_example/session_example.links.menu.yml b/session_example/session_example.links.menu.yml
--- b/session_example/session_example.links.menu.yml
+++ b/session_example/session_example.links.menu.yml
@@ -7 +7 @@
-  weight: 10
\ No newline at end of file
+  weight: 10
diff -u b/session_example/session_example.links.task.yml b/session_example/session_example.links.task.yml
--- b/session_example/session_example.links.task.yml
+++ b/session_example/session_example.links.task.yml
@@ -5,5 +5,4 @@
-
 session_example.view:
   route_name: session_example.view
   base_route: session_example.form
-  title: View
\ No newline at end of file
+  title: View
diff -u b/session_example/session_example.routing.yml b/session_example/session_example.routing.yml
--- b/session_example/session_example.routing.yml
+++ b/session_example/session_example.routing.yml
@@ -2,16 +2,16 @@
-  title: 'Session Example'
   path: '/examples/session_example'
-  options:
-    _admin_route: TRUE
   defaults:
     _form: '\Drupal\session_example\Form\SessionExampleForm'
+    _title: 'Session Example'
   requirements:
     _access: 'TRUE'
-session_example.view:
-  path: '/examples/session_example/view'
   options:
     _admin_route: TRUE
+session_example.view:
+  path: '/examples/session_example/view'
   defaults:
     _controller: '\Drupal\session_example\Controller\SessionExampleController::showSession'
   requirements:
     _access: 'TRUE'
+  options:
+    _admin_route: TRUE
diff -u b/session_example/src/Controller/SessionExampleController.php b/session_example/src/Controller/SessionExampleController.php
--- b/session_example/src/Controller/SessionExampleController.php
+++ b/session_example/src/Controller/SessionExampleController.php
@@ -16,6 +16,8 @@
    * A session controller example.
    *
    * @param \Symfony\Component\HttpFoundation\Request $request
+   *   The request object.
+   *
    * @return string
    *   A rendered array containing name and mail from session.
    */
diff -u b/session_example/src/Form/SessionExampleForm.php b/session_example/src/Form/SessionExampleForm.php
--- b/session_example/src/Form/SessionExampleForm.php
+++ b/session_example/src/Form/SessionExampleForm.php
@@ -7,8 +7,6 @@
 
 namespace Drupal\session_example\Form;
 
-
-
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Utility\LinkGeneratorInterface;
diff -u b/session_example/src/Tests/SessionExampleTest.php b/session_example/src/Tests/SessionExampleTest.php
--- b/session_example/src/Tests/SessionExampleTest.php
+++ b/session_example/src/Tests/SessionExampleTest.php
@@ -51,7 +51,7 @@
     $this->clickLink(t('Form'));
     $this->drupalPostForm(NULL, array(), t('Clear Session'));
     $this->assertText('Session is cleared.');
-    
+
     $this->clickLink(t('View'));
     $this->assertText('No Name');
     $this->assertText('No EMail');
only in patch2:
unchanged:
--- a/src/Tests/ExamplesTest.php
+++ b/src/Tests/ExamplesTest.php
@@ -42,7 +42,7 @@ class ExamplesTest extends WebTestBase {
 
     // Assert that the tray registered by example is present.
     $this->assertRaw('id="toolbar-item-examples-tray"');
-    $this->assertRaw('<nav class="toolbar-lining clearfix" role="navigation" aria-label="Developer Examples">');
+    $this->assertRaw('<nav class="toolbar-lining clearfix" aria-label="Developer Examples" role="navigation">');
 
     // Assert that PHPUnit link does not appears in the tray.
     $this->assertNoLink('PHPUnit example');