code: def get_requests_with_errors(self):
          
          data = self._es.search(body={
              "size": max_query_results,
              "query": {
                  "filtered": {
                      "query": {
                          "match_all": {}
                      },
                      "filter": {
                          "exists": {
                              "field": "errmsg"
                          }
                      }
                  }
              }
          })
          return GremlinTestResult(False, data)
docs: Helper method to determine if proxies logged any error related to the requests passing through