wct.conf.json

{
  "verbose": true,
  "plugins": {
    "local": {
      "browsers": [
        "firefox"
      ]
    },
    "sauce": {
      "disabled": true,
      "browsers": [
        {
          "browserName": "microsoftedge",
          "platform": "Windows 10",
          "version": "13"
        },
        {
          "browserName": "microsoftedge",
          "platform": "Windows 10",
          "version": "14"
        },
        {
          "browserName": "microsoftedge",
          "platform": "Windows 10",
          "version": "15"
        },
        {
          "browserName": "firefox",
          "platform": "Windows 10",
          "version": "latest"
        },
       {
          "browserName": "chrome",
          "platform": "Windows 10",
          "version": "latest"
        },
        {
          "browserName": "chrome",
          "platform": "Windows 10",
          "version": "beta"
        },
        {
          "browserName": "safari",
          "platform": "OS X 10.11",
          "version": "9"
        },
        {
          "browserName": "safari",
          "platform": "OS X 10.11",
          "version": "10"
        },
        {
          "browserName": "firefox",
          "platform": "OS X 10.11",
          "version": "latest"
        },
        {
          "browserName": "chrome",
          "platform": "OS X 10.11",
          "version": "latest"
        },
        {
          "browserName": "safari",
          "platform": "OS X 10.12",
          "version": "10"
        },
        {
          "browserName": "firefox",
          "platform": "OS X 10.12",
          "version": "latest"
        },
        {
          "browserName": "chrome",
          "platform": "OS X 10.12",
          "version": "latest"
        },
        {
          "browserName": "firefox",
          "platform": "linux",
          "version": "latest"
        },

        {
          "browserName": "Safari",
          "platformName": "ios",
          "platformVersion": "9.0",
          "deviceName": "iPhone 6 Simulator"
        },
        {
          "browserName": "Safari",
          "platformName": "ios",
          "platformVersion": "10.0",
          "deviceName": "iPhone 6 Simulator"
        },
        {
          "browserName": "Chrome",
          "platformName": "Android",
          "platformVersion": "6.0",
          "deviceName": "Android Emulator",
          "appiumVersion": "1.6.5"
        }
      ]
    }
  }
}