Problem: some XSLT engines (which may be on the classpath depending on the test)
reject the report-generating XSL transform.
The japex source file resources/report.xsl contains the following line in the
exclude-result-prefixes="xi" version='1.0' >
This prefix 'xi' is never declared, which is invalid. We can make the XSL
compatible by adding this declaration to the root element: