mainThree.addNode(nodes.get(0));
mainThree.addNode(nodes.get(1));
mainThree.addNode(nodes.get(2));
ClusterNode separate = new ClusterNode();
separate.addNode(nodes.get(3));
goodTree.addChild(mainThree);
goodTree.addChild(separate);
groovyVersion.setTree(goodTree);
javaVersion.setTree(goodTree);