assert !selection.noWorkReadyToStart // There should always be a node ready to start when executing sequentially
                def nextNode = selection.item
                assert !nextNode.isComplete()
                nodes << nextNode
                finalizedPlan.finishedExecuting(nextNode, null)
            }
            assert finalizedPlan.executionState() == WorkSource.State.NoMoreWorkToStart

          "calcs": [
            "mean"
          ],
          "fields": "",
          "values": false
        },
        "showPercentChange": false,
        "text": {},
        "textMode": "auto",
        "wideLayout": true
      },
      "pluginVersion": "10.4.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",