anchor.diff:  [source,json]
   ----
   {
  -	"set-cluster-policy": [
  -		{"replica": "<2", "shard": "#EACH", "node": "#ANY"}
  -	]
  +    "set-cluster-policy": [
  +        {"replica": "<2", "shard": "#EACH", "node": "#ANY"}
  +    ]
   }
   ----
   
  
positive.code: }
  ----
  
  If you attempt to remove a policy that is being used by a collection then this command will fail to delete the policy until the collection itself is deleted.
negative.code: {
      "set-cluster-preferences" : [
        {"minimize": "cores"}
      ]
  }
  ----
  
  