public function testConcatWithSeparatorWithNull()
{
$q = $this->entityManager->createQuery("SELECT CONCAT_WS(',', 'First name', NULL, 'Last Name') from DoctrineExtensions\\Tests\\Entities\\Blank");
$this->assertEquals("SELECT CONCAT_WS(',', 'First name', NULL, 'Last Name') AS sclr_0 FROM Blank b0_", $q->getSql());
}