diff --git a/test/roman_numerals_test.dart b/test/roman_numerals_test.dart
index 0dc4f81..df86d16 100644
--- a/test/roman_numerals_test.dart
+++ b/test/roman_numerals_test.dart
@@ -5,4 +5,8 @@ void main() {
   test('converts 1 to I', () {
     expect(roman_numerals.integerToRoman(1), 'I');
   });
+
+  test('converts 2 to II', () {
+    expect(roman_numerals.integerToRoman(2), 'II');
+  });
 }