--- /dev/null
+<?php
+
+namespace Drupal\Tests\system\Functional\Entity\Update;
+
+/**
+ * Runs LangcodeToAsciiUpdateTest with a dump filled with content.
+ *
+ * @group Entity
+ */
+class LangcodeToAsciiUpdateFilledTest extends LangcodeToAsciiUpdateTest {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setDatabaseDumpFiles() {
+ $this->databaseDumpFiles = [
+ __DIR__ . '/../../../../fixtures/update/drupal-8.filled.standard.php.gz',
+ ];
+ }
+
+}