anchor.diff:    "fetch_size": 5
   }
   ----
  +// TEST[skip:waiting on https://github.com/elastic/elasticsearch/issues/75069]
   // TEST[setup:library]
   // TEST[s/"wait_for_completion_timeout": "2s"/"wait_for_completion_timeout": "0"/]
   
  
positive.code:   "cursor": ...
  }
  ----
  // TESTRESPONSE[s/Fnc5UllQdUVWU0NxRFNMbWxNYXplaFEaMUpYQ05oSkpTc3kwZ21EdC1tbFJXQTo0NzA=/$body.id/]
  // TESTRESPONSE[s/"rows": \.\.\./"rows": $body.rows/]
  // TESTRESPONSE[s/"columns": \.\.\./"columns": $body.columns/]
  
negative.code:   "rows": [ ]
  }
  ----
  // TESTRESPONSE[skip:waiting on https://github.com/elastic/elasticsearch/issues/75069]
  // TESTRESPONSE[s/FnR0TDhyWUVmUmVtWXRWZER4MXZiNFEad2F5UDk2ZVdTVHV1S0xDUy00SklUdzozMTU=/$body.id/]
  // TESTRESPONSE[s/"is_partial": true/"is_partial": $body.is_partial/]
  // TESTRESPONSE[s/"is_running": true/"is_running": $body.is_running/]
  