public function testWhereNot()
{
// create new document
$document = $this->collection->createDocument(array('param' => '1'));
$document->save();
$documentId = $document->getId();
// scalar value
$q1 = $this->collection->find();
$this->assertEquals($documentId, $q1->whereNot($q1->expression()->where('param', 2))->findOne()->getId());
// operator-expression
$q2 = $this->collection->find();
$this->assertEquals($documentId, $q2->whereNot($q2->expression()->whereGreater('param', 5))->findOne()->getId());
}