diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
index 0d52aa8..29b89dd 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/IntegerItem.php
@@ -41,7 +41,7 @@ public static function defaultInstanceSettings() {
       'max' => '',
       'prefix' => '',
       'suffix' => '',
-      'size' => NULL,
+      'size' => 'normal',
     ) + parent::defaultInstanceSettings();
   }
 
diff --git a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFieldInstanceTest.php b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFieldInstanceTest.php
index 86404e8..c6ad455 100644
--- a/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFieldInstanceTest.php
+++ b/core/modules/migrate_drupal/lib/Drupal/migrate_drupal/Tests/d6/MigrateFieldInstanceTest.php
@@ -107,6 +107,7 @@ public function testFieldInstanceSettings() {
       'prefix' => 'pref',
       'suffix' => 'suf',
       'unsigned' => '',
+      'size' => 'normal',
     );
     $this->assertEqual($field->getSettings(), $expected);
 
diff --git a/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php b/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
index 75c52f7..f347b2a 100644
--- a/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/Schema/ContentEntitySchemaHandlerTest.php
@@ -17,7 +17,6 @@
  * @coversDefaultClass \Drupal\Core\Entity\Schema\ContentEntitySchemaHandler
  *
  * @group Drupal
- * @group ponies
  * @group Entity
  */
 class ContentEntitySchemaHandlerTest extends UnitTestCase {