anchor.diff:  
   [source,js]
   --------------------------------------------------
  -curl -XPOST 'http://localhost:9200/_aliases' -d '
  +POST /_aliases
   {
       "actions" : [
           { "add" : { "index" : "test*", "alias" : "all_test_indices" } }
       ]
  -}'
  ---------------------------------------------------
  +}
  +--------------------------------------------------
  +// CONSOLE
  +// TEST[s/^/PUT test1\nPUT test2\n/]
   
   In this case, the alias is a point-in-time alias that will group all
   current indices that match, it will not automatically update as new
  
positive.code: 
  [source,js]
  --------------------------------------------------
  curl -XPOST 'http://localhost:9200/_aliases' -d '
  {
      "actions" : [
          { "remove" : { "index" : "test1", "alias" : "alias1" } },
          { "add" : { "index" : "test1", "alias" : "alias2" } }
      ]
  }'
  --------------------------------------------------
  
  Associating an alias with more than one index are simply several `add`
  actions:
  
  [source,js]
  --------------------------------------------------
  curl -XPOST 'http://localhost:9200/_aliases' -d '
  {
      "actions" : [
          { "add" : { "index" : "test1", "alias" : "alias1" } },
          { "add" : { "index" : "test2", "alias" : "alias1" } }
      ]
  }'
  --------------------------------------------------
  
  Multiple indices can be specified for an action with the `indices` array syntax:
  
  [source,js]
  --------------------------------------------------
  curl -XPOST 'http://localhost:9200/_aliases' -d '
  {
      "actions" : [
          { "add" : { "indices" : ["test1", "test2"], "alias" : "alias1" } }
      ]
  }'
  --------------------------------------------------
  
  To specify multiple aliases in one action, the corresponding `aliases` array
  syntax exists as well.
  
negative.code: 
  [source,js]
  --------------------------------------------------
  GET /alias2/_search?q=user:kimchy&routing=2,3
  --------------------------------------------------
  // CONSOLE
  // TEST[continued]
  
  If an index operation that uses index routing alias also has a parent routing, the
  parent routing is ignored.
  