diff --git a/core/modules/options/tests/src/Kernel/OptionsFieldTest.php b/core/modules/options/tests/src/Kernel/OptionsFieldTest.php
index 89ac127..d451c2e 100644
--- a/core/modules/options/tests/src/Kernel/OptionsFieldTest.php
+++ b/core/modules/options/tests/src/Kernel/OptionsFieldTest.php
@@ -15,16 +15,9 @@
 class OptionsFieldTest extends OptionsFieldUnitTestBase {
 
   /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = array('options');
-
-  /**
    * Test that allowed values can be updated.
    */
-  function testUpdateAllowedValues() {
+  public function testUpdateAllowedValues() {
     // All three options appear.
     $entity = EntityTest::create();
     $form = \Drupal::service('entity.form_builder')->getForm($entity);
@@ -97,4 +90,26 @@ function testUpdateAllowedValues() {
     $this->entityValidateAndSave($entity);
   }
 
+  /**
+   * Tests re-importing allowed values.
+   */
+  public function testReImportAllowedValues() {
+    // Forming the name of config to read.
+    $field_storage_config_name = sprintf(
+      'field.storage.%s.%s',
+      $this->fieldStorageDefinition['entity_type'],
+      $this->fieldStorageDefinition['field_name']
+    );
+
+    // Read the configuration of field storage.
+    $field_storage_config = $this->container->get('config.storage')
+      ->read($field_storage_config_name);
+
+    // Create duplicate.
+    FieldStorageConfig::create($field_storage_config)
+      ->set('uuid', $this->fieldStorage->uuid())
+      ->enforceIsNew(FALSE)
+      ->save();
+  }
+
 }
