public function testSwapLocations()
{
$this->insertDatabaseFixture(__DIR__ . '/_fixtures/full_example_tree.php');
$handler = $this->getLocationGateway();
$handler->swap(70, 78);
$query = $this->handler->createSelectQuery();
$this->assertQueryResult(array(array(70, 76), array(78, 68)), $query->select('node_id', 'contentobject_id')->from('ezcontentobject_tree')->where($query->expr->in('node_id', array(70, 78)))->orderBy('node_id'));
}