--- /dev/null
+<?php
+
+namespace Drupal\FunctionalTests\Installer;
+
+/**
+ * Testing installing from config without system.site.
+ *
+ * @group Installer
+ */
+class InstallerExistingConfigNoSystemSiteTest extends InstallerExistingConfigTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function prepareEnvironment() {
+ parent::prepareEnvironment();
+ // File API functions are not available yet.
+ unlink($this->siteDirectory . '/profiles/' . $this->profile . '/config/sync/system.site.yml');
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setUpSite() {
+ return;
+ }
+
+ /**
+ * Tests that profiles with no system.site do not work.
+ */
+ public function testConfigSync() {
+ $this->htmlOutput(NULL);
+ $this->assertTitle('Configuration validation | Drupal');
+ $this->assertText('The configuration synchronization failed validation.');
+ $this->assertText('This import does not contain system.site configuration, so has been rejected.');
+
+ // Ensure there is no continuation button.
+ $this->assertNoText('Save and continue');
+ $this->assertNoFieldById('edit-submit');
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getConfigTarball() {
+ return __DIR__ . '/../../../fixtures/config_install/testing_config_install.tar.gz';
+ }
+
+}