--- /dev/null
+<?php
+
+namespace Drupal\FunctionalTests\Installer;
+
+/**
+ * Verifies that installing from existing configuration works.
+ *
+ * @group Installer
+ */
+class InstallerExistingConfigTest extends InstallerExistingConfigTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setUpSite() {
+ // The configuration is from a site installed in French.
+ // So after selecting the profile the installer detects that the site must
+ // be installed in French, thus we change the button translation.
+ $this->translations['Save and continue'] = 'Enregistrer et continuer';
+ parent::setUpSite();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getConfigTarball() {
+ return __DIR__ . '/../../../fixtures/config_install/testing_config_install.tar.gz';
+ }
+
+}