class.js passing all tests

atiffany · atiffany · commit 4ea87087a1bc · 2017-11-08T16:48:17.000-08:00
diff --git a/src/class.js b/src/class.js
@@ -33,7 +33,7 @@ class Animal {
     this.age = options.age;
   }
   growOlder() {
-    return this.age;
+    return this.age + 1;
   }
 }
 
