diff --git a/core/modules/aggregator/src/Tests/AggregatorTestBase.php b/core/modules/aggregator/src/Tests/AggregatorTestBase.php
index e898bac..c459401 100644
--- a/core/modules/aggregator/src/Tests/AggregatorTestBase.php
+++ b/core/modules/aggregator/src/Tests/AggregatorTestBase.php
@@ -370,5 +370,4 @@ public function enableTestPlugins() {
       ))
       ->save();
   }
-
 }
diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php
index 541c15b..665e12f 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php
@@ -17,7 +17,6 @@
  * Visit all lists.
  *
  * @group config_translation
- *
  * @see \Drupal\config_translation\Tests\ConfigTranslationViewListUiTest
  */
 class ConfigTranslationListUiTest extends WebTestBase {
@@ -50,9 +49,6 @@ class ConfigTranslationListUiTest extends WebTestBase {
    */
   protected $adminUser;
 
-  /**
-   * {@inheritdoc}
-   */
   protected function setUp() {
     parent::setUp();
 
@@ -125,7 +121,7 @@ protected function doMenuListTest() {
     $edit = array(
       'id' => $menu_name,
       'description' => '',
-      'label' => $label,
+      'label' =>  $label,
     );
     // Create the menu by posting the form.
     $this->drupalPostForm('admin/structure/menu/add', $edit, t('Save'));
@@ -193,7 +189,7 @@ public function doCustomContentTypeListTest() {
     $block_content_type = BlockContentType::create(array(
       'id' => Unicode::strtolower($this->randomMachineName(16)),
       'label' => $this->randomMachineName(),
-      'revision' => FALSE,
+      'revision' => FALSE
     ));
     $block_content_type->save();
 
@@ -399,7 +395,7 @@ public function doFieldListTest() {
     $block_content_type = BlockContentType::create(array(
       'id' => 'basic',
       'label' => 'Basic',
-      'revision' => FALSE,
+      'revision' => FALSE
     ));
     $block_content_type->save();
     $field = FieldConfig::create([
@@ -493,7 +489,8 @@ public function testTranslateOperationInListUi() {
     $this->doDateFormatListTest();
     $this->doFieldListTest();
 
-    // Views is tested in Drupal\config_translation\Tests\ConfigTranslationViewListUiTest.
+    // Views is tested in Drupal\config_translation\Tests\ConfigTranslationViewListUiTest
+
     // Test the maintenance settings page.
     $this->doSettingsPageTest('admin/config/development/maintenance');
     // Test the site information settings page.
diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
index 12b151b..397a95c 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
@@ -70,9 +70,6 @@ class ConfigTranslationUiTest extends WebTestBase {
    */
   protected $localeStorage;
 
-  /**
-   * {@inheritdoc}
-   */
   protected function setUp() {
     parent::setUp();
     $translator_permissions = [
@@ -459,7 +456,7 @@ public function testDateFormatTranslation() {
       'medium' => 'Default medium date',
       'custom_medium' => 'Custom medium date',
     );
-    foreach ($formats as $id => $label) {
+    foreach($formats as $id => $label) {
       $translation_base_url = 'admin/config/regional/date-time/formats/manage/' . $id . '/translate';
 
       $this->drupalGet($translation_base_url);
@@ -529,7 +526,7 @@ public function testAccountSettingsConfigurationTranslation() {
     $this->drupalGet('admin/config/people/accounts/translate/fr/edit');
     foreach ($edit as $key => $value) {
       // Check the translations appear in the right field type as well.
-      $xpath = '//' . (strpos($key, '[body]') ? 'textarea' : 'input') . '[@name="' . $key . '"]';
+      $xpath = '//' . (strpos($key, '[body]') ? 'textarea' : 'input') . '[@name="'. $key . '"]';
       $this->assertFieldByXPath($xpath, $value);
     }
     // Check that labels for email settings appear.
@@ -649,8 +646,7 @@ public function testPluralConfigStringsSourceElements() {
     );
 
     foreach ($languages as $langcode => $data) {
-      // Import a .po file to add a new language with a given number of plural
-      // forms.
+      // Import a .po file to add a new language with a given number of plural forms
       $name = tempnam('temporary://', $langcode . '_') . '.po';
       file_put_contents($name, $this->getPoFile($data['plurals']));
       $this->drupalPostForm('admin/config/regional/translate/import', array(
@@ -843,7 +839,7 @@ public function testLocaleDBStorage() {
     $translation = $this->getTranslation('user.settings', 'anonymous', 'fr');
     $this->assertEqual('Anonyme', $translation->getString());
 
-    // Revert custom translations to base translations.
+    // revert custom translations to base translation.
     $edit = array(
       'translation[config_names][user.settings][anonymous]' => 'Anonymous',
     );
@@ -860,7 +856,7 @@ public function testLocaleDBStorage() {
   public function testSingleLanguageUI() {
     $this->drupalLogin($this->adminUser);
 
-    // Delete French language.
+    // Delete French language
     $this->drupalPostForm('admin/config/regional/language/delete/fr', array(), t('Delete'));
     $this->assertRaw(t('The %language (%langcode) language has been removed.', array('%language' => 'French', '%langcode' => 'fr')));
 
@@ -871,7 +867,7 @@ public function testSingleLanguageUI() {
     $this->drupalPostForm('admin/config/regional/language', $edit, t('Save configuration'));
     $this->assertRaw(t('Configuration saved.'));
 
-    // Delete English language.
+    // Delete English language
     $this->drupalPostForm('admin/config/regional/language/delete/en', array(), t('Delete'));
     $this->assertRaw(t('The %language (%langcode) language has been removed.', array('%language' => 'English', '%langcode' => 'en')));
 
@@ -908,7 +904,7 @@ public function testSequenceTranslation() {
     $expected = array(
       'kitten',
       'llama',
-      'elephant',
+      'elephant'
     );
     $actual = $config_factory
       ->getEditable('config_translation_test.content')
diff --git a/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php b/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php
index 9c96750..3242c3a 100644
--- a/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php
+++ b/core/modules/config_translation/tests/src/Unit/ConfigNamesMapperTest.php
@@ -88,9 +88,6 @@ class ConfigNamesMapperTest extends UnitTestCase {
    */
   protected $languageManager;
 
-  /**
-   * {@inheritdoc}
-   */
   protected function setUp() {
     $this->routeProvider = $this->getMock('Drupal\Core\Routing\RouteProviderInterface');
 
@@ -443,8 +440,7 @@ public function testGetLangcode() {
       $this->configNamesMapper->getLangcode();
       $this->fail();
     }
-    catch (\RuntimeException $e) {
-    }
+    catch (\RuntimeException $e) {}
   }
 
   /**
diff --git a/core/modules/system/src/Form/RssFeedsForm.php b/core/modules/system/src/Form/RssFeedsForm.php
index 34c9b99..43cd617 100644
--- a/core/modules/system/src/Form/RssFeedsForm.php
+++ b/core/modules/system/src/Form/RssFeedsForm.php
@@ -37,7 +37,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
         'teaser' => t('Titles plus teaser'),
         'fulltext' => t('Full text'),
       ),
-      '#description' => t('Global setting for the default display of content items in each feed.'),
+      '#description' => t('Global setting for the default display of content items in each feed.')
     );
 
     return parent::buildForm($form, $form_state);