diff --git a/tests/javascript/unit/OC.js b/tests/javascript/unit/OC.js
index 993ea417..546560df 100644
--- a/tests/javascript/unit/OC.js
+++ b/tests/javascript/unit/OC.js
@@ -12,4 +12,8 @@ export class OC {
 		return ''
 	}
 
+	getLanguage() {
+		return 'en-GB'
+	}
+
 }