OpenSearch/rest-api-spec/test/mget/40_routing.yaml

---
"Routing":

 - do:
      index:
          index:   test_1
          type:    test
          id:      1
          routing: 5
          body:    { foo: bar }
 - do:
      cluster.health:
          wait_for_status: yellow
 - do:
      mget:
          index:   test_1
          type:    test
          fields:  [_routing]
          body:
            docs:
              - { _id: 1 }
              - { _id: 1, routing: 4 }
              - { _id: 1, routing: 5 }

 - is_false:  docs.0.exists
 - is_false:  docs.1.exists

 - is_true:   docs.2.exists
 - match:   { docs.2._index:          test_1 }
 - match:   { docs.2._type:           test   }
 - match:   { docs.2._id:             "1"    }
 - match:   { docs.2.fields._routing: "5"    }