--- /dev/null
+<?php
+
+namespace Drupal\Tests\config_translation\Kernel\Migrate\d7;
+
+use Drupal\Tests\migrate_drupal\Kernel\d7\MigrateDrupal7TestBase;
+
+/**
+ * Tests migrations of i18n maintenance variable.
+ *
+ * @group migrate_drupal_7
+ */
+class MigrateSystemMaintenanceTranslationTest extends MigrateDrupal7TestBase {
+
+ public static $modules = [
+ 'language',
+ 'config_translation',
+ // Required for translation migrations.
+ 'migrate_drupal_multilingual',
+ ];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+ $this->executeMigration('d7_system_maintenance_translation');
+ }
+
+ /**
+ * Tests migrations of i18n maintenance variable.
+ */
+ public function testSystemMaintenance() {
+ $config = \Drupal::service('language_manager')->getLanguageConfigOverride('is', 'system.maintenance');
+ $this->assertSame('is - This is a custom maintenance mode message.', $config->get('message'));
+ }
+
+}