anchor.diff:  
   [source,console]
   ----
  -POST /_reindex
  +POST _reindex
   {
     "source": {
       "index": "my-index-2099.10.*"
  
positive.code: 
  [source,console]
  --------------------------------------------------
  PUT /my-index-000001/_settings
  {
    "index" : {
      "routing.allocation.total_shards_per_node" : 5
  
negative.code: 
  [source,console]
  ----
  POST my-index-000001/_forcemerge
  ----
  // TEST[setup:my_index]
  
  