XFSubmitElementImpl submitElement = new XFSubmitElementImpl(context);
XFActionAttributes attributes =
(XFActionAttributes) submitElement.getProtocolAttributes();
FieldDescriptor fd = new FieldDescriptor();
attributes.setFieldDescriptor(fd);
context.pushElement(submitElement);
// Run test.
XFSetValueElementImpl setValue =
new XFSetValueElementImpl(context, strategy);
setValue.callCloseOnProtocol(context);