diff --git a/core/modules/rest/tests/src/Functional/Update/EntityResourcePermissionsUpdateTest.php b/core/modules/rest/tests/src/Functional/Update/EntityResourcePermissionsUpdateTest.php
index 9add9c5d90..3169e31192 100644
--- a/core/modules/rest/tests/src/Functional/Update/EntityResourcePermissionsUpdateTest.php
+++ b/core/modules/rest/tests/src/Functional/Update/EntityResourcePermissionsUpdateTest.php
@@ -32,8 +32,6 @@ public function setDatabaseDumpFiles() {
    * Tests rest_update_8203().
    */
   public function testBcEntityResourcePermissionSettingAdded() {
-    $permission_handler = $this->container->get('user.permissions');
-
     $is_rest_resource_permission = function ($permission) {
       return $permission['provider'] === 'rest' && (string) $permission['title'] !== 'Administer REST resource configuration';
     };
@@ -41,15 +39,18 @@ public function testBcEntityResourcePermissionSettingAdded() {
     // Make sure we have the expected values before the update.
     $rest_settings = $this->config('rest.settings');
     $this->assertFalse(array_key_exists('bc_entity_resource_permissions', $rest_settings->getRawData()));
-    $this->assertEqual([], array_filter($permission_handler->getPermissions(), $is_rest_resource_permission));
+    $this->assertEqual([], array_filter($this->container->get('user.permissions')->getPermissions(), $is_rest_resource_permission));
 
     $this->runUpdates();
+    // Running updates changes the available permissions, clear the static
+    // cache.
+    $this->container->set('user.permissions', NULL);
 
     // Make sure we have the expected values after the update.
     $rest_settings = $this->config('rest.settings');
     $this->assertTrue(array_key_exists('bc_entity_resource_permissions', $rest_settings->getRawData()));
     $this->assertTrue($rest_settings->get('bc_entity_resource_permissions'));
-    $rest_permissions = array_keys(array_filter($permission_handler->getPermissions(), $is_rest_resource_permission));
+    $rest_permissions = array_keys(array_filter($this->container->get('user.permissions')->getPermissions(), $is_rest_resource_permission));
     $this->assertEqual(['restful delete entity:node', 'restful get entity:node', 'restful patch entity:node', 'restful post entity:node'], $rest_permissions);
   }