{
TestArgument dynArgument = new TestArgument("brand_key");
assertEquals("{brand_key}", dynArgument.getKey());
String messageText = this.messageContext.config().use().messageInterpolator(new ELAwareMessageInterpolator(new TestELProvider())).create()
.message().text("{brand_info}").namedArgument("brand", dynArgument.getKey()).toText();
assertEquals("jCar", dynArgument.toString(this.messageContext));
assertEquals("value: jCar", messageText);
}