JeroenDesloovere\VCard\tests\VCardTest::testMultipleBirthdays PHP 메소드

    public function testMultipleBirthdays()
    {
        $this->assertEquals($this->vcard, $this->vcard->addBirthday('1'));
        $this->assertEquals($this->vcard, $this->vcard->addBirthday('2'));
    }