String[] columns = r.getColumnNames();
assertEquals(1, columns.length);
assertEquals("text", columns[0]);
assertFalse(it.hasNext());
r = q.execute();
NodeIterator nodeIt = r.getNodes();
assertTrue(nodeIt.hasNext());
Node n = nodeIt.nextNode();
assertEquals("hello_world", n.getProperty("text").getString());
assertFalse(it.hasNext());