JeroenDesloovere\VCard\tests\VCardParserTest::testBDay PHP Method

    public function testBDay()
    {
        $vcard = new VCard();
        $vcard->addBirthday('31-12-2015');
        $parser = new VCardParser($vcard->buildVCard());
        $this->assertEquals($parser->getCardAtIndex(0)->birthday->format('Y-m-d'), '2015-12-31');
    }