diff --git a/converter.py b/converter.py
index 8f49951b3cce8be3cb67bd1490f6da8c0dbe8e8f..b572325146de479b1edb1e89b81872e073c19f8c 100644
--- a/converter.py
+++ b/converter.py
@@ -49,6 +49,12 @@ class TestConverter(unittest.TestCase):
     def test_convertTwo(self):
         res = self.c.convert(2)
         self.assertEqual(res, 'II')
+    
+    def test_convertTwo(self):
+        res = self.c.convert(3)
+        self.assertEqual(res, 'III')
+
+    
 
 if __name__ == "__main__":
     unittest.main()