--- /dev/null
+<?php
+
+namespace Drupal\Tests\file\Functional\Update;
+
+use Drupal\FunctionalTests\Update\UpdatePathTestBase;
+
+/**
+ * Tests the upgrade path for setting the file usage deletion configuration.
+ *
+ * @see https://www.drupal.org/node/2801777
+ *
+ * @group Update
+ */
+class FileUsageTemporaryDeletionConfigurationUpdateTest extends UpdatePathTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $modules = ['file'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setDatabaseDumpFiles() {
+ $this->databaseDumpFiles = [
+ __DIR__ . '/../../../../../system/tests/fixtures/update/drupal-8.bare.standard.php.gz',
+ ];
+ }
+
+ /**
+ * Tests that make_unused_managed_files_temporary conditions are correct.
+ *
+ * Verify that the before and after conditions for the variable are correct.
+ */
+ public function testUpdateHookN() {
+ $this->assertIdentical($this->config('file.settings')->get('make_unused_managed_files_temporary'), NULL);
+ $this->runUpdates();
+ $this->assertIdentical($this->config('file.settings')->get('make_unused_managed_files_temporary'), FALSE);
+ $this->assertResponse('200');
+ }
+
+}