public function testAppendToInsertInEmptyAmount13Reserve3()
 {
     $config = ['amountOptimize' => 13, 'reserveFactor' => 3];
     $node = new Node(['slug' => 'new']);
     Yii::configure($node->getBehavior('tree'), $config);
     $this->assertTrue($node->appendTo(Node::findOne(6))->save());
     $node = new MultipleTreeNode(['slug' => 'new']);
     Yii::configure($node->getBehavior('tree'), $config);
     $this->assertTrue($node->appendTo(MultipleTreeNode::findOne(6))->save());
     $dataSet = $this->getConnection()->createDataSet(['tree', 'multiple_tree']);
     $expectedDataSet = new ArrayDataSet(require __DIR__ . '/data/test-append-to-insert-in-empty-amount-13-reserve-3.php');
     $this->assertDataSetsEqual($expectedDataSet, $dataSet);
 }