fixed test

tests/PHPUnit/Integration/expected/test_apiGetReportMetadata_year__LanguagesManager.getAvailableLanguageNames.xml

@@ -245,6 +245,11 @@
 		<name>Українська</name>
 		<english_name>Ukrainian</english_name>
 	</row>
+	<row>
+		<code>vi</code>
+		<name>Việt</name>
+		<english_name>Vietnamese</english_name>
+	</row>
 	<row>
 		<code>zh-cn</code>
 		<name>简体中文</name>