def METHOD_NAME(self):
    email_object = EMailObject(Path("tests/email_testfiles/mail_1_headers_only.eml"))
    self.assertEqual(self._get_values(email_object, "subject")[0], "письмо уведом-е")
    self.assertEqual(self._get_values(email_object, "to")[0], "kinney@noth.com")
    self.assertEqual(self._get_values(email_object, "from")[0], "suvorov.s@nalg.ru")
    self.assertEqual(len(self._get_values(email_object, "email-body")), 0)
    self.assertIsInstance(email_object.email, EmailMessage)
    self.assertEqual(len(email_object.attachments), 0)