public function testInsertBeforeInsertBegin()
{
$node = new Node(['slug' => 'new']);
$this->assertTrue($node->insertBefore(Node::findOne(20))->save());
$node = new MultipleTreeNode(['slug' => 'new']);
$this->assertTrue($node->insertBefore(MultipleTreeNode::findOne(31))->save());
$dataSet = $this->getConnection()->createDataSet(['tree', 'multiple_tree']);
$expectedDataSet = new ArrayDataSet(require __DIR__ . '/data/test-insert-before-insert-begin.php');
$this->assertDataSetsEqual($expectedDataSet, $dataSet);
}
