test/Client/Layout/TestAssets/error_fmpxmllayout.xml
<?xml version ="1.0" encoding="UTF-8" standalone="no" ?><!DOCTYPE FMPXMLLAYOUT PUBLIC "-//FMI//DTD FMPXMLLAYOUT//EN" "http://localhost:16020/fmi/xml/FMPXMLLAYOUT.dtd"><FMPXMLLAYOUT xmlns="http://www.filemaker.com/fmpxmllayout"><ERRORCODE>1</ERRORCODE></FMPXMLLAYOUT>