anchor.diff:        "phase_execution": {
           "policy": "my_executing_policy",
           "modified_date_in_millis": 1538475653317,
  -        "version": 2, <1>
  +        "version": 3, <1>
           "phase_definition": {
             "min_age": "1d",
             "actions": {
  
positive.code: ------------------------
  // CONSOLE
  // TEST[continued]
  
  Now, version 2 of this policy has no `hot` phase, but if we run the Explain API again, we will see that nothing has changed.
  The index `my_index` is still executing version 1 of the policy.
  
  ////
  [source,js]
  
negative.code: {
    "policy": {
      "phases": {
        "hot": {
          "min_age": "1d", <1>
          "actions": {
            "rollover": {
              "max_docs": 1
            }
          }
        },
  