Sokil\Mongo\CollectionTest::testSaveInvalidNewDocument PHP Method

    public function testSaveInvalidNewDocument()
    {
        // create document
        $document = $this->getMock('\\Sokil\\Mongo\\Document', array('rules'), array($this->collection));
        $document->expects($this->any())->method('rules')->will($this->returnValue(array(array('some-field-name', 'required'))));
        // save document
        $document->save();
    }