diff --git a/core/modules/field/config/field.settings.yml b/core/modules/field/config/field.settings.yml
index 81b0843..5ca0000 100644
--- a/core/modules/field/config/field.settings.yml
+++ b/core/modules/field/config/field.settings.yml
@@ -1,3 +1,3 @@
 default_storage: field_sql_storage
-language_fallback: false
+language_fallback: '1'
 purge_batch_size: 10
diff --git a/core/modules/field/field.multilingual.inc b/core/modules/field/field.multilingual.inc
index 06d7f5c..55b364e 100644
--- a/core/modules/field/field.multilingual.inc
+++ b/core/modules/field/field.multilingual.inc
@@ -151,7 +151,7 @@ function field_content_languages() {
 }
 
 /**
- * Checks whether field language fallback is configured.
+ * Checks whether field language fallback is enabled.
  */
 function field_language_fallback_enabled() {
   return language_multilingual() && config('field.settings')->get('language_fallback');
diff --git a/core/modules/serialization/lib/Drupal/serialization/Tests/NormalizerTestBase.php b/core/modules/serialization/lib/Drupal/serialization/Tests/NormalizerTestBase.php
index d485a5b..1d9bff6 100644
--- a/core/modules/serialization/lib/Drupal/serialization/Tests/NormalizerTestBase.php
+++ b/core/modules/serialization/lib/Drupal/serialization/Tests/NormalizerTestBase.php
@@ -23,6 +23,7 @@ protected function setUp() {
 
     $this->installSchema('entity_test', array('entity_test_mulrev', 'entity_test_mulrev_property_revision', 'entity_test_mulrev_property_data'));
     $this->installSchema('system', array('url_alias'));
+    $this->installConfig(array('field'));
 
     // Auto-create a field for testing.
     field_create_field(array(
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/FieldAccessTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/FieldAccessTest.php
index b7a25c5..a460b6f 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/FieldAccessTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/FieldAccessTest.php
@@ -41,12 +41,12 @@ public static function getInfo() {
 
   protected function setUp() {
     parent::setUp();
+    // Install field configuration.
+    $this->installConfig(array('field'));
     // The users table is needed for creating dummy user accounts.
     $this->installSchema('user', array('users'));
     // Register entity_test text field.
     entity_test_install();
-    // Install field configuration.
-    $this->installConfig(array('field'));
   }
 
   /**