FOP-2410: add test for bug fix

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1623405 13f79535-47bb-0310-9956-ffa450edef68
FOP-2258: minor test file name change

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1623406 13f79535-47bb-0310-9956-ffa450edef68