test: do not pass a language

Author: lpm0073

app/tests/test_application.py

@@ -28,6 +28,6 @@ def test_application_does_not_crash(self):
 
         # pylint: disable=broad-exception-caught
         try:
-            hello_world(language="Chinese")
+            hello_world()
         except Exception as e:
             self.fail(f"hello_world raised an exception: {e}")