Set download requests

        Create a list of DownloadRequests for all Sentinel-2 acquisitions within request's time interval and
        acceptable cloud coverage.

def create_request(self):
        """Set download requests

        Create a list of DownloadRequests for all Sentinel-2 acquisitions within request's time interval and
        acceptable cloud coverage.
        """
        fis_service = FisService(instance_id=self.instance_id)
        self.download_list = fis_service.get_request(self)