Add failing test?

Author: stevenjackson

test/active_record_test.rb

@@ -337,4 +337,9 @@ def test_should_evaluate_proc_based_mode
     refute_equal address.encrypted_zipcode, zipcode
     assert_equal address.zipcode, zipcode
   end
+
+  def test_should_filter_attributes
+    @person = Person.new(email: 'test@example.com')
+    assert_equal ["encrypted_email"],  @person.attributes.keys
+  end
 end