call clean before to test to allow us to see what is generated

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@373868 13f79535-47bb-0310-9956-ffa450edef68

pmd/src/plugin-test/maven.xml

@@ -23,9 +23,9 @@
   </goal>
   
   <goal name="test-pmd-report">
+    <attainGoal name="clean"/>
     <attainGoal name="pmd:report"/>
     <assert:assertFileExists file="${maven.build.dir}/pmd-raw-report.xml"/>
     <assert:assertFileExists file="${maven.gen.docs}/pmd-report.xml"/>
-    <attainGoal name="clean"/>
   </goal>
 </project>