[1.0, 1.1, 1.2, 1.3] added a test for format_currency (refs #5715)
[1.0, 1.1, 1.2, 1.3] added a test for format_currency (refs #5715)

theodo/symfony1.0-backports,theodo/symfony1.0-backports,theodo/symfony1.0-backports