--- /dev/null
+<?php
+
+namespace Drupal\Tests\field\Functional\Rest;
+
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\Tests\rest\Functional\EntityResource\EntityResourceTestBase;
+
+abstract class FieldStorageConfigResourceTestBase extends EntityResourceTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['node'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $entityTypeId = 'field_storage_config';
+
+ /**
+ * @var \Drupal\field\FieldConfigStorage
+ */
+ protected $entity;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUpAuthorization($method) {
+ $this->grantPermissionsToTestedRole(['administer node fields']);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function createEntity() {
+ $field_storage = FieldStorageConfig::create([
+ 'field_name' => 'true_llama',
+ 'entity_type' => 'node',
+ 'type' => 'boolean',
+ ]);
+ $field_storage->save();
+ return $field_storage;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getExpectedNormalizedEntity() {
+ return [
+ 'cardinality' => 1,
+ 'custom_storage' => FALSE,
+ 'dependencies' => [
+ 'module' => ['node'],
+ ],
+ 'entity_type' => 'node',
+ 'field_name' => 'true_llama',
+ 'id' => 'node.true_llama',
+ 'indexes' => [],
+ 'langcode' => 'en',
+ 'locked' => FALSE,
+ 'module' => 'core',
+ 'persist_with_no_fields' => FALSE,
+ 'settings' => [],
+ 'status' => TRUE,
+ 'translatable' => TRUE,
+ 'type' => 'boolean',
+ 'uuid' => $this->entity->uuid(),
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getNormalizedPostEntity() {
+ // @todo Update in https://www.drupal.org/node/2300677.
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getExpectedUnauthorizedAccessMessage($method) {
+ if ($this->config('rest.settings')->get('bc_entity_resource_permissions')) {
+ return parent::getExpectedUnauthorizedAccessMessage($method);
+ }
+
+ switch ($method) {
+ case 'GET':
+ return "The 'administer node fields' permission is required.";
+
+ default:
+ return parent::getExpectedUnauthorizedAccessMessage($method);
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getExpectedCacheContexts() {
+ return [
+ 'user.permissions',
+ ];
+ }
+
+}