AStarShortestPathFinder walker =
new AStarShortestPathFinder(builder().getGraph(),root,((Node) map.get("0.1.0.1")),
f.createFunctions(((Node) map.get("0.1.0.1"))));
walker.calculate();
MyVisitor visitor = new MyVisitor();
builder().getGraph().visitNodes(visitor);
//#1
assertTrue(visitor.count > 0);
assertTrue(visitor.count < map.size() + 1);