--- /dev/null
+<?php
+
+namespace Drupal\FunctionalTests\Installer;
+
+/**
+ * Verifies that the installer skipped permission hardening.
+ *
+ * @group Installer
+ */
+class InstallerSkipPermissionHardeningTest extends InstallerTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function prepareEnvironment() {
+ parent::prepareEnvironment();
+ $this->settings['settings']['skip_permissions_hardening'] = (object) ['value' => TRUE, 'required' => TRUE];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUpSite() {
+ $site_directory = $this->container->get('app.root') . '/' . $this->siteDirectory;
+ $this->assertTrue(is_writable($site_directory));
+ $this->assertTrue(is_writable($site_directory . '/settings.php'));
+
+ $this->assertSession()->responseContains('All necessary changes to <em class="placeholder">' . $this->siteDirectory . '</em> and <em class="placeholder">' . $this->siteDirectory . '/settings.php</em> have been made, so you should remove write permissions to them now in order to avoid security risks. If you are unsure how to do so, consult the <a href="https://www.drupal.org/server-permissions">online handbook</a>.');
+
+ parent::setUpSite();
+ }
+
+ /**
+ * Verifies the expected behaviors of the installation result.
+ */
+ public function testInstalled() {
+ $this->assertSession()->addressEquals('user/1');
+ $this->assertSession()->statusCodeEquals(200);
+ }
+
+}