diff --git a/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php b/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php
index 98ea255..5ca67ab 100644
--- a/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php
+++ b/core/modules/content_translation/src/Tests/ContentTranslationSettingsTest.php
@@ -8,6 +8,7 @@
 namespace Drupal\content_translation\Tests;
 
 use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
+use Drupal\config\Tests\SchemaCheckTestTrait;
 use Drupal\Core\Field\Entity\BaseFieldOverride;
 use Drupal\Core\Language\Language;
 use Drupal\field\Entity\FieldConfig;
@@ -20,6 +21,8 @@
  */
 class ContentTranslationSettingsTest extends WebTestBase {
 
+  use SchemaCheckTestTrait;
+
   /**
    * Modules to enable.
    *
@@ -178,6 +181,8 @@ function testSettingsUI() {
       $this->assertEqual($definitions['body']->isTranslatable(), $translatable, 'Field translatability correctly switched.');
       $this->assertEqual($field->isTranslatable(), $definitions['body']->isTranslatable(), 'Configurable field translatability correctly switched.');
     }
+
+    $this->assertAllConfigSchema();
   }
 
   /**
@@ -269,4 +274,18 @@ protected function entityManager() {
     return $this->container->get('entity.manager');
   }
 
+  /**
+   * Asserts all active configuration matches schemas.
+   */
+  protected function assertAllConfigSchema() {
+    $names = $this->container->get('config.storage')->listAll();
+    $factory = $this->container->get('config.factory');
+    /** @var \Drupal\Core\Config\TypedConfigManagerInterface $typed_config */
+    $typed_config = $this->container->get('config.typed');
+    foreach ($names as $name) {
+      $config = $factory->get($name);
+      $this->assertConfigSchema($typed_config, $name, $config->get());
+    }
+  }
+
 }