--- /dev/null
+<?php
+
+namespace Drupal\FunctionalTests\Rest;
+
+use Drupal\Tests\rest\Functional\EntityResource\EntityResourceTestBase;
+use Drupal\Core\Entity\Entity\EntityViewMode;
+
+abstract class EntityViewModeResourceTestBase extends EntityResourceTestBase {
+
+ /**
+ * {@inheritdoc}
+ *
+ * @todo: Remove 'field_ui' when https://www.drupal.org/node/2867266.
+ */
+ public static $modules = ['user', 'field_ui'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $entityTypeId = 'entity_view_mode';
+
+ /**
+ * @var \Drupal\Core\Entity\EntityViewModeInterface
+ */
+ protected $entity;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUpAuthorization($method) {
+ $this->grantPermissionsToTestedRole(['administer display modes']);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function createEntity() {
+ $entity_view_mode = EntityViewMode::create([
+ 'id' => 'user.test',
+ 'label' => 'Test',
+ 'targetEntityType' => 'user',
+ ]);
+ $entity_view_mode->save();
+ return $entity_view_mode;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getExpectedNormalizedEntity() {
+ return [
+ 'cache' => TRUE,
+ 'dependencies' => [
+ 'module' => [
+ 'user',
+ ],
+ ],
+ 'id' => 'user.test',
+ 'label' => 'Test',
+ 'langcode' => 'en',
+ 'status' => TRUE,
+ 'targetEntityType' => 'user',
+ 'uuid' => $this->entity->uuid(),
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getNormalizedPostEntity() {
+ // @todo Update in https://www.drupal.org/node/2300677.
+ }
+
+}