diff --git a/core/modules/options/src/Tests/OptionsDynamicValuesTestBase.php b/core/modules/options/src/Tests/OptionsDynamicValuesTestBase.php
index 20f49fd..a2cd2f6 100644
--- a/core/modules/options/src/Tests/OptionsDynamicValuesTestBase.php
+++ b/core/modules/options/src/Tests/OptionsDynamicValuesTestBase.php
@@ -19,7 +19,7 @@
    *
    * @var array
    */
-  public static $modules = array('options', 'entity_test', 'options_test');
+  public static $modules = ['options', 'entity_test', 'options_test'];
 
   /**
    * The created entity.
@@ -38,43 +38,43 @@
   protected function setUp() {
     parent::setUp();
 
-    $this->field_name = 'test_options';
-    $this->fieldStorage = entity_create('field_storage_config', array(
-      'field_name' => $this->field_name,
+    $field_name = 'test_options';
+    $this->fieldStorage = entity_create('field_storage_config', [
+      'fieldName' => $field_name,
       'entity_type' => 'entity_test_rev',
       'type' => 'list_string',
       'cardinality' => 1,
-      'settings' => array(
+      'settings' => [
         'allowed_values_function' => 'options_test_dynamic_values_callback',
-      ),
-    ));
+      ],
+    ]);
     $this->fieldStorage->save();
 
-    $this->field = entity_create('field_config', array(
-      'field_name' => $this->field_name,
+    $this->field = entity_create('field_config', [
+      'fieldName' => $field_name,
       'entity_type' => 'entity_test_rev',
       'bundle' => 'entity_test_rev',
       'required' => TRUE,
-    ))->save();
+    ])->save();
     entity_get_form_display('entity_test_rev', 'entity_test_rev', 'default')
-      ->setComponent($this->field_name, array(
+      ->setComponent($field_name, [
         'type' => 'options_select',
-      ))
+      ])
       ->save();
 
     // Create an entity and prepare test data that will be used by
     // options_test_dynamic_values_callback().
-    $values = array(
+    $values = [
       'user_id' => mt_rand(1, 10),
       'name' => $this->randomMachineName(),
-    );
+    ];
     $this->entity = entity_create('entity_test_rev', $values);
     $this->entity->save();
-    $this->test = array(
+    $this->test = [
       'label' => $this->entity->label(),
       'uuid' => $this->entity->uuid(),
       'bundle' => $this->entity->bundle(),
       'uri' => $this->entity->url(),
-    );
+    ];
   }
 }
diff --git a/core/modules/options/src/Tests/OptionsFieldUITest.php b/core/modules/options/src/Tests/OptionsFieldUITest.php
index 40343bf..eeefe39 100644
--- a/core/modules/options/src/Tests/OptionsFieldUITest.php
+++ b/core/modules/options/src/Tests/OptionsFieldUITest.php
@@ -29,19 +29,39 @@ class OptionsFieldUITest extends FieldTestBase {
    *
    * @var string
    */
-  protected $type_name;
+  protected $typeName;
+
+  /**
+   * Machine name of the created content type.
+   *
+   * @var string
+   */
+  protected $type;
+
+  /**
+   * Name of the option field.
+   *
+   * @var string
+   */
+  protected $fieldName;
+
+  /**
+   * Admin path to manage field storage settings.
+   *
+   * @var string
+   */
+  protected $adminPath;
 
   protected function setUp() {
     parent::setUp();
 
     // Create test user.
-    $admin_user = $this->drupalCreateUser(array('access content', 'administer taxonomy', 'access administration pages', 'administer site configuration', 'administer content types', 'administer nodes', 'bypass node access', 'administer node fields', 'administer node display'));
+    $admin_user = $this->drupalCreateUser(['access content', 'administer taxonomy', 'access administration pages', 'administer site configuration', 'administer content types', 'administer nodes', 'bypass node access', 'administer node fields', 'administer node display']);
     $this->drupalLogin($admin_user);
 
     // Create content type, with underscores.
-    $type_name = 'test_' . strtolower($this->randomMachineName());
-    $this->type_name = $type_name;
-    $type = $this->drupalCreateContentType(array('name' => $type_name, 'type' => $type_name));
+    $this->typeName = 'test_' . strtolower($this->randomMachineName());
+    $type = $this->drupalCreateContentType(['name' => $this->typeName, 'type' => $this->typeName]);
     $this->type = $type->type;
   }
 
@@ -49,7 +69,7 @@ protected function setUp() {
    * Options (integer) : test 'allowed values' input.
    */
   function testOptionsAllowedValuesInteger() {
-    $this->field_name = 'field_options_integer';
+    $this->fieldName = 'field_options_integer';
     $this->createOptionsField('list_integer');
 
     // Flat list of textual values.
@@ -73,7 +93,7 @@ function testOptionsAllowedValuesInteger() {
     // Create a node with actual data for the field.
     $settings = array(
       'type' => $this->type,
-      $this->field_name => array(array('value' => 1)),
+      $this->fieldName => array(array('value' => 1)),
     );
     $node = $this->drupalCreateNode($settings);
 
@@ -105,7 +125,7 @@ function testOptionsAllowedValuesInteger() {
    * Options (float) : test 'allowed values' input.
    */
   function testOptionsAllowedValuesFloat() {
-    $this->field_name = 'field_options_float';
+    $this->fieldName = 'field_options_float';
     $this->createOptionsField('list_float');
 
     // Flat list of textual values.
@@ -128,7 +148,7 @@ function testOptionsAllowedValuesFloat() {
     // Create a node with actual data for the field.
     $settings = array(
       'type' => $this->type,
-      $this->field_name => array(array('value' => .5)),
+      $this->fieldName => array(array('value' => .5)),
     );
     $node = $this->drupalCreateNode($settings);
 
@@ -165,7 +185,7 @@ function testOptionsAllowedValuesFloat() {
    * Options (text) : test 'allowed values' input.
    */
   function testOptionsAllowedValuesText() {
-    $this->field_name = 'field_options_text';
+    $this->fieldName = 'field_options_text';
     $this->createOptionsField('list_string');
 
     // Flat list of textual values.
@@ -190,7 +210,7 @@ function testOptionsAllowedValuesText() {
     // Create a node with actual data for the field.
     $settings = array(
       'type' => $this->type,
-      $this->field_name => array(array('value' => 'One')),
+      $this->fieldName => array(array('value' => 'One')),
     );
     $node = $this->drupalCreateNode($settings);
 
@@ -230,7 +250,7 @@ function testOptionsAllowedValuesText() {
    * Options (text) : test 'trimmed values' input.
    */
   function testOptionsTrimmedValuesText() {
-    $this->field_name = 'field_options_trimmed_text';
+    $this->fieldName = 'field_options_trimmed_text';
     $this->createOptionsField('list_string');
 
     // Explicit keys.
@@ -248,19 +268,19 @@ function testOptionsTrimmedValuesText() {
   protected function createOptionsField($type) {
     // Create a field.
     entity_create('field_storage_config', array(
-      'field_name' => $this->field_name,
+      'field_name' => $this->fieldName,
       'entity_type' => 'node',
       'type' => $type,
     ))->save();
     entity_create('field_config', array(
-      'field_name' => $this->field_name,
+      'field_name' => $this->fieldName,
       'entity_type' => 'node',
       'bundle' => $this->type,
     ))->save();
 
-    entity_get_form_display('node', $this->type, 'default')->setComponent($this->field_name)->save();
+    entity_get_form_display('node', $this->type, 'default')->setComponent($this->fieldName)->save();
 
-    $this->admin_path = 'admin/structure/types/manage/' . $this->type . '/fields/node.' . $this->type . '.' . $this->field_name . '/storage';
+    $this->adminPath = 'admin/structure/types/manage/' . $this->type . '/fields/node.' . $this->type . '.' . $this->fieldName . '/storage';
   }
 
   /**
@@ -277,14 +297,14 @@ protected function createOptionsField($type) {
    */
   function assertAllowedValuesInput($input_string, $result, $message) {
     $edit = array('field_storage[settings][allowed_values]' => $input_string);
-    $this->drupalPostForm($this->admin_path, $edit, t('Save field settings'));
+    $this->drupalPostForm($this->adminPath, $edit, t('Save field settings'));
     $this->assertNoRaw('&amp;lt;', 'The page does not have double escaped HTML tags.');
 
     if (is_string($result)) {
       $this->assertText($result, $message);
     }
     else {
-      $field_storage = FieldStorageConfig::loadByName('node', $this->field_name);
+      $field_storage = FieldStorageConfig::loadByName('node', $this->fieldName);
       $this->assertIdentical($field_storage->getSetting('allowed_values'), $result, $message);
     }
   }
@@ -293,7 +313,7 @@ function assertAllowedValuesInput($input_string, $result, $message) {
    * Tests normal and key formatter display on node display.
    */
   function testNodeDisplay() {
-    $this->field_name = strtolower($this->randomMachineName());
+    $this->fieldName = strtolower($this->randomMachineName());
     $this->createOptionsField('list_integer');
     $node = $this->drupalCreateNode(array('type' => $this->type));
 
@@ -305,12 +325,12 @@ function testNodeDisplay() {
         0|$off",
     );
 
-    $this->drupalPostForm($this->admin_path, $edit, t('Save field settings'));
-    $this->assertText(format_string('Updated field !field_name field settings.', array('!field_name' => $this->field_name)), "The 'On' and 'Off' form fields work for boolean fields.");
+    $this->drupalPostForm($this->adminPath, $edit, t('Save field settings'));
+    $this->assertText(format_string('Updated field !field_name field settings.', array('!field_name' => $this->fieldName)), "The 'On' and 'Off' form fields work for boolean fields.");
 
     // Select a default value.
     $edit = array(
-      $this->field_name => '1',
+      $this->fieldName => '1',
     );
     $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save and keep published'));
 
@@ -318,9 +338,9 @@ function testNodeDisplay() {
     $file_formatters = array('list_default', 'list_key');
     foreach ($file_formatters as $formatter) {
       $edit = array(
-        "fields[$this->field_name][type]" => $formatter,
+        "fields[$this->fieldName][type]" => $formatter,
       );
-      $this->drupalPostForm('admin/structure/types/manage/' . $this->type_name . '/display', $edit, t('Save'));
+      $this->drupalPostForm('admin/structure/types/manage/' . $this->typeName . '/display', $edit, t('Save'));
       $this->drupalGet('node/' . $node->id());
 
       if ($formatter == 'list_default') {
diff --git a/core/modules/options/src/Tests/OptionsWidgetsTest.php b/core/modules/options/src/Tests/OptionsWidgetsTest.php
index e1e52fe..3c2b68b 100644
--- a/core/modules/options/src/Tests/OptionsWidgetsTest.php
+++ b/core/modules/options/src/Tests/OptionsWidgetsTest.php
@@ -21,41 +21,34 @@ class OptionsWidgetsTest extends FieldTestBase {
    *
    * @var array
    */
-  public static $modules = array('node', 'options', 'entity_test', 'options_test', 'taxonomy', 'field_ui');
+  public static $modules = ['node', 'options', 'entity_test', 'options_test', 'taxonomy', 'field_ui'];
 
   /**
    * A field storage with cardinality 1 to use in this test class.
    *
    * @var \Drupal\field\Entity\FieldStorageConfig
    */
-  protected $card_1;
+  protected $card1;
 
   /**
    * A field storage with cardinality 2 to use in this test class.
    *
    * @var \Drupal\field\Entity\FieldStorageConfig
    */
-  protected $card_2;
-
-  /**
-   * A user with permission to view and manage entities.
-   *
-   * @var \Drupal\user\UserInterface
-   */
-  protected $web_user;
+  protected $card2;
 
 
   protected function setUp() {
     parent::setUp();
 
     // Field storage with cardinality 1.
-    $this->card_1 = entity_create('field_storage_config', array(
+    $this->card1 = entity_create('field_storage_config', [
       'field_name' => 'card_1',
       'entity_type' => 'entity_test',
       'type' => 'list_integer',
       'cardinality' => 1,
-      'settings' => array(
-        'allowed_values' => array(
+      'settings' => [
+        'allowed_values' => [
           // Make sure that 0 works as an option.
           0 => 'Zero',
           1 => 'One',
@@ -63,32 +56,31 @@ protected function setUp() {
           2 => 'Some <script>dangerous</script> & unescaped <strong>markup</strong>',
           // Make sure that HTML entities in option text are not double-encoded.
           3 => 'Some HTML encoded markup with &lt; &amp; &gt;',
-        ),
-      ),
-    ));
-    $this->card_1->save();
+        ],
+      ],
+    ]);
+    $this->card1->save();
 
     // Field storage with cardinality 2.
-    $this->card_2 = entity_create('field_storage_config', array(
+    $this->card2 = entity_create('field_storage_config', [
       'field_name' => 'card_2',
       'entity_type' => 'entity_test',
       'type' => 'list_integer',
       'cardinality' => 2,
-      'settings' => array(
-        'allowed_values' => array(
+      'settings' => [
+        'allowed_values' => [
           // Make sure that 0 works as an option.
           0 => 'Zero',
           1 => 'One',
           // Make sure that option text is properly sanitized.
           2 => 'Some <script>dangerous</script> & unescaped <strong>markup</strong>',
-        ),
-      ),
-    ));
-    $this->card_2->save();
+        ],
+      ],
+    ]);
+    $this->card2->save();
 
     // Create a web user.
-    $this->web_user = $this->drupalCreateUser(array('view test entity', 'administer entity_test content'));
-    $this->drupalLogin($this->web_user);
+    $this->drupalLogin($this->drupalCreateUser(['view test entity', 'administer entity_test content']));
   }
 
   /**
@@ -96,22 +88,22 @@ protected function setUp() {
    */
   function testRadioButtons() {
     // Create an instance of the 'single value' field.
-    $field = entity_create('field_config', array(
-      'field_storage' => $this->card_1,
+    $field = entity_create('field_config', [
+      'field_storage' => $this->card1,
       'bundle' => 'entity_test',
-    ));
+    ]);
     $field->save();
     entity_get_form_display('entity_test', 'entity_test', 'default')
-      ->setComponent($this->card_1->getName(), array(
+      ->setComponent($this->card1->getName(), [
         'type' => 'options_buttons',
-      ))
+      ])
       ->save();
 
     // Create an entity.
-    $entity = entity_create('entity_test', array(
+    $entity = entity_create('entity_test', [
       'user_id' => 1,
       'name' => $this->randomMachineName(),
-    ));
+    ]);
     $entity->save();
     $entity_init = clone $entity;
 
@@ -140,8 +132,8 @@ function testRadioButtons() {
     $this->assertFieldValues($entity_init, 'card_1', array());
 
     // Check that required radios with one option is auto-selected.
-    $this->card_1->settings['allowed_values'] = array(99 => 'Only allowed value');
-    $this->card_1->save();
+    $this->card1->settings['allowed_values'] = [99 => 'Only allowed value'];
+    $this->card1->save();
     $field->required = TRUE;
     $field->save();
     $this->drupalGet('entity_test/manage/' . $entity->id());
@@ -154,12 +146,12 @@ function testRadioButtons() {
   function testCheckBoxes() {
     // Create an instance of the 'multiple values' field.
     $field = entity_create('field_config', array(
-      'field_storage' => $this->card_2,
+      'field_storage' => $this->card2,
       'bundle' => 'entity_test',
     ));
     $field->save();
     entity_get_form_display('entity_test', 'entity_test', 'default')
-      ->setComponent($this->card_2->getName(), array(
+      ->setComponent($this->card2->getName(), array(
         'type' => 'options_buttons',
       ))
       ->save();
@@ -229,8 +221,8 @@ function testCheckBoxes() {
     $this->assertFieldValues($entity_init, 'card_2', array());
 
     // Required checkbox with one option is auto-selected.
-    $this->card_2->settings['allowed_values'] = array(99 => 'Only allowed value');
-    $this->card_2->save();
+    $this->card2->settings['allowed_values'] = array(99 => 'Only allowed value');
+    $this->card2->save();
     $field->required = TRUE;
     $field->save();
     $this->drupalGet('entity_test/manage/' . $entity->id());
@@ -243,13 +235,13 @@ function testCheckBoxes() {
   function testSelectListSingle() {
     // Create an instance of the 'single value' field.
     $field = entity_create('field_config', array(
-      'field_storage' => $this->card_1,
+      'field_storage' => $this->card1,
       'bundle' => 'entity_test',
       'required' => TRUE,
     ));
     $field->save();
     entity_get_form_display('entity_test', 'entity_test', 'default')
-      ->setComponent($this->card_1->getName(), array(
+      ->setComponent($this->card1->getName(), array(
         'type' => 'options_select',
       ))
       ->save();
@@ -307,9 +299,9 @@ function testSelectListSingle() {
 
     // Test optgroups.
 
-    $this->card_1->settings['allowed_values'] = array();
-    $this->card_1->settings['allowed_values_function'] = 'options_test_allowed_values_callback';
-    $this->card_1->save();
+    $this->card1->settings['allowed_values'] = array();
+    $this->card1->settings['allowed_values_function'] = 'options_test_allowed_values_callback';
+    $this->card1->save();
 
     // Display form: with no field data, nothing is selected
     $this->drupalGet('entity_test/manage/' . $entity->id());
@@ -343,12 +335,12 @@ function testSelectListSingle() {
   function testSelectListMultiple() {
     // Create an instance of the 'multiple values' field.
     $field = entity_create('field_config', array(
-      'field_storage' => $this->card_2,
+      'field_storage' => $this->card2,
       'bundle' => 'entity_test',
     ));
     $field->save();
     entity_get_form_display('entity_test', 'entity_test', 'default')
-      ->setComponent($this->card_2->getName(), array(
+      ->setComponent($this->card2->getName(), array(
         'type' => 'options_select',
       ))
       ->save();
@@ -426,9 +418,9 @@ function testSelectListMultiple() {
     // Test optgroups.
 
     // Use a callback function defining optgroups.
-    $this->card_2->settings['allowed_values'] = array();
-    $this->card_2->settings['allowed_values_function'] = 'options_test_allowed_values_callback';
-    $this->card_2->save();
+    $this->card2->settings['allowed_values'] = array();
+    $this->card2->settings['allowed_values_function'] = 'options_test_allowed_values_callback';
+    $this->card2->save();
     $field->required = FALSE;
     $field->save();
 
