Testsuite org.jboss.staxmapper.XMLExtendedStreamWriterFactory causes problems when using signed/sealed jars

The smoke tests contain a class called org.jboss.staxmapper.XMLExtendedStreamWriterFactory. When using signed AS jars, this causes a security exception in any tests which use this class because the package name is the same as the classes in org.jboss:staxmapper jar.

class "org.jboss.staxmapper.XMLExtendedStreamWriterFactory"'s signer information does not match signer information of other classes in the same package

Possible solutions are to:
1. Change the package name of this class. But this might be difficult because it current accesses a package protected staxmapper class.
2. Add this class to the staxmapper jar, or a test jar in the staxmapper build.
3. Sign the testsuite classes with the same key as the staxmapper jar.