PR: MNG-1205 o Fixed unit test for resolving direct optional dependencies. o Added isChildOfRootNode() method in ResolutionNode, to check whether the parent node's parent is null. o Added check in the artifact collector to include optional artifacts if they are direct dependencies of the root node.
maven/components/trunk/maven-artifact/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactCollector.java