anchor.diff:  --------------------------------------------------
   GET /twitter/_stats?filter_path=**.commit&level=shards <1>
   --------------------------------------------------
  -// TEST[s/^/PUT twitter\nPOST twitter\/_flush\/synced\n/]
  +// TEST[skip: Synced flush can conflict with scheduled flushes in doc tests]
   
   <1> `filter_path` is used to reduce the verbosity of the response, but is entirely optional
   
  
positive.code: ----
  POST /kimchy/_flush/synced
  ----
  // TEST[s/^/PUT kimchy\n/]
  
  
  [[synced-flush-api-multi-ex]]
  
negative.code: --------------------------------------------------
  POST /kimchy,elasticsearch/_flush/synced
  --------------------------------------------------
  // TEST[skip: Synced flush can conflict with scheduled flushes in doc tests]
  
  
  [[synced-flush-api-all-ex]]
  