def METHOD_NAME(self):
    """Validate we can get a specific cover letter."""
    cover_obj = create_cover(
        headers='Received: from somewhere\nReceived: from another place'
    )
    resp = self.client.get(self.api_url(cover_obj.id))
    self.assertEqual(status.HTTP_200_OK, resp.status_code)
    self.assertSerialized(cover_obj, resp.data)
    # Make sure we don't regress and all headers with the same key are
    # included in the response
    parsed_headers = email.parser.Parser().parsestr(
        cover_obj.headers, True
    )
    for key, value in parsed_headers.items():
        self.assertIn(value, resp.data['headers'][key])