ui.vision example not working

example.json

{
  "Name": "SpeedTest Macro",
  "CreationDate": "2020-8-28",
  "Commands": [
    {
      "Command": "open",
      "Target": "https://www.speedtest.net/",
      "Value": ""
    },
    {
      "Command": "store",
      "Target": "15",
      "Value": "!TIMEOUT_WAIT"
    },
    {
      "Command": "click",
      "Target": "xpath=//*[@id=\"container\"]/div/div[3]/div/div/div/div[2]/div[3]/div/a/span[4]",
      "Value": ""
    },
    {
      "Command": "store",
      "Target": "60",
      "Value": "!TIMEOUT_WAIT"
    },
    {
      "Command": "waitForElementVisible",
      "Target": "linkText=Change Server",
      "Value": ""
    },
    {
      "Command": "storeText",
      "Target": "xpath=//*[@id=\"container\"]/div/div[3]/div/div/div/div[2]/div[3]/div[3]/div/div[3]/div/div/div[2]/div/div[2]/div/div[2]/span",
      "Value": "downloadSpeed"
    },
    {
      "Command": "storeText",
      "Target": "xpath=//*[@id=\"container\"]/div/div[3]/div/div/div/div[2]/div[3]/div[3]/div/div[3]/div/div/div[2]/div/div[3]/div/div[2]/span",
      "Value": "uploadSpeed"
    },
    {
      "Command": "store",
      "Target": "Download Speed",
      "Value": "!csvLine"
    },
    {
      "Command": "store",
      "Target": "$(downloadSpeed)",
      "Value": "!csvLine"
    },
    {
      "Command": "store",
      "Target": "Upload Speed",
      "Value": "!csvLine"
    },
    {
      "Command": "store",
      "Target": "$(uploadSpeed)",
      "Value": "!csvLine"
    },
    {
      "Command": "csvSave",
      "Target": "DataTransferSpeedHistory-2",
      "Value": ""
    }
  ]
}