add testCompileRoots to correct Map/List
get testCompileRoots from correct Map/List

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1619221 13f79535-47bb-0310-9956-ffa450edef68
[MCHECKSTYLE-214] Resources retrieval ignores resources definition in <build>
Consider resources relative to project root as a special case

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1619243 13f79535-47bb-0310-9956-ffa450edef68