include Groovy-compiled test cases to the coverage, too.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@21326 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/build-script/Cobertura.groovy

@@ -49,8 +49,8 @@ public class Cobertura {
                 junitClasspath()
             }
             batchtest(todir:dir("target/surefire-reports")) {
-                fileset(dir:"src/test/java") {
-                    include(name:"**/*Test.java")
+                fileset(dir:"target/test-classes") {
+                    include(name:"**/*Test.class")
                 }
                 formatter(type:"xml")
             }