upgrades core to 8.4.2

core/modules/field_layout/field_layout.info.yml

@@ -7,8 +7,8 @@ package: Core (Experimental)
 dependencies:
   - layout_discovery
 
-# Information added by Drupal.org packaging script on 2017-08-16
-version: '8.3.7'
+# Information added by Drupal.org packaging script on 2017-11-03
+version: '8.4.2'
 core: '8.x'
 project: 'drupal'
-datestamp: 1502903957
+datestamp: 1509719929

core/modules/field_layout/tests/modules/field_layout_test/field_layout_test.info.yml

@@ -7,8 +7,8 @@ package: Testing
 dependencies:
   - entity_test
 
-# Information added by Drupal.org packaging script on 2017-08-16
-version: '8.3.7'
+# Information added by Drupal.org packaging script on 2017-11-03
+version: '8.4.2'
 core: '8.x'
 project: 'drupal'
-datestamp: 1502903957
+datestamp: 1509719929

core/modules/field_layout/tests/src/Functional/FieldLayoutTest.php

@@ -28,9 +28,9 @@ class FieldLayoutTest extends BrowserTestBase {
     $this->createNode([
       'type' => 'article',
       'title' => 'The node title',
-      'body' => [[
-        'value' => 'The node body',
-      ]],
+      'body' => [
+        ['value' => 'The node body'],
+      ],
     ]);
     $this->drupalLogin($this->drupalCreateUser([
       'access administration pages',

core/modules/field_layout/tests/src/FunctionalJavascript/FieldLayoutTest.php

@@ -25,9 +25,9 @@ class FieldLayoutTest extends JavascriptTestBase {
 
     $entity = EntityTest::create([
       'name' => 'The name for this entity',
-      'field_test_text' => [[
-        'value' => 'The field test text value',
-      ]],
+      'field_test_text' => [
+        ['value' => 'The field test text value'],
+      ],
     ]);
     $entity->save();
     $this->drupalLogin($this->drupalCreateUser([