/** * Method to test getTree(). * * @return void * * @covers Windwalker\Record\NestedRecord::getTree */ public function testGetTree() { $tree = $this->instance->getTree(1); $ids = array(1, 6, 2, 4, 3, 5, 7); $this->assertEquals($ids, ArrayHelper::getColumn($tree, 'id')); }