diff --git a/test/test.md b/test/test.md
index b365899..7fec950 100644
--- a/test/test.md
+++ b/test/test.md
@@ -32,3 +32,5 @@
 ### Valid
 - 我ら5人合わせて四天王！
 - The 5 of us together are the Four Heavenly Kings!
+- ある日、5羽のアヒルが丘を越えて遠くへ出かけていった。
+- 5 little ducks went out one day, over the hill and far away.
diff --git a/test/use-si-units-test.js b/test/use-si-units-test.js
index 2e57af0..355a6e3 100644
--- a/test/use-si-units-test.js
+++ b/test/use-si-units-test.js
@@ -79,6 +79,8 @@ tester.run('use-si-units with options',
 tester.run('the words end with number', rule, {
     valid: [
         '我ら5人合わせて四天王！',
-        'The 5 of us together are the Four Heavenly Kings!'
+        'The 5 of us together are the Four Heavenly Kings!',
+        'ある日、5羽のアヒルが丘を越えて遠くへ出かけていった。',
+        '5 little ducks went out one day, over the hill and far away.',
     ],
 });