---
"Internal version":

 - do:
      create:
          index:  test_1
          type:   test
          id:     1
          body:   { foo: bar }

 - match:   { _version: 1}

 - do:
      catch: conflict
      create:
          index:  test_1
          type:   test
          id:     1
          body:   { foo: bar }