def METHOD_NAME(self):
    layer = Dataset.objects.get(name=self.sut.name)
    _gs_import_session_info = self.geoserver_manager._execute_resource_import(
        layer, list(self.files_as_dict.values()), self.user, action_type="append"
    )
    basic_auth = base64.b64encode(b"admin:geoserver")
    result = requests.get(
        f"{self.geoserver_url}/rest/imports/{_gs_import_session_info.import_session.id}",
        headers={"Authorization": f"Basic {basic_auth.decode('utf-8')}"},
    )
    self.assertEqual(result.status_code, 200)
    self.assertEqual(result.json().get("import").get("state"), enumerations.STATE_COMPLETE)