MPMD-192: Regression MPMD-89 is showing up with Maven 2.2.1 again for maven-pmd-plugin-3.3
* Just skip this test for Maven 2.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1639522 13f79535-47bb-0310-9956-ffa450edef68