nightwatch.json

{
  "src_folders" : ["tests"],
  "output_folder" : "reports",
  "custom_commands_path" : "custom_commands",
  "custom_assertions_path" : "",
  "page_objects_path" : "",
  "globals_path" : "",

  "test_workers" : {"enabled" : true, "workers" : "auto"},

  "test_settings" : {
    "default" : {
      "launch_url" : "http://localhost",
      "selenium_port"  : 443,
      "selenium_host"  : "ondemand.saucelabs.com",
      "use_ssl": true,
      "silent": true,
      "screenshots" : {
        "enabled" : false,
        "path" : ""
      },
      "username" : "${SAUCE_USERNAME}",
      "access_key" : "${SAUCE_ACCESS_KEY}",

      "skip_testcases_on_fail": false,

      "desiredCapabilities": {
        "javascriptEnabled": true,
        "acceptSslCerts": true
      }
    },

    "chrome": {
      "desiredCapabilities": {
        "platform": "Windows 7",
        "browserName": "chrome",
        "version": "latest"
      }
    },

    "chromemac": {
      "desiredCapabilities": {
        "platform": "macOS 10.13",
        "browserName": "chrome",
        "version": "latest"
      }
    },

    "safari": {
      "desiredCapabilities": {
        "platform": "macOS 10.13",
        "browserName": "Safari",
        "version": "latest"
      }
    },

    "firefox" : {
      "desiredCapabilities": {
        "platform": "Windows 10",
        "browserName": "firefox",
        "version": "33"
      }
    },

    "internet_explorer_edge" : {
      "desiredCapabilities": {
        "platform": "Windows 10",
        "browserName": "MicrosoftEdge",
        "version": "latest"
      }
    },

    "android_s4_emulator": {
      "desiredCapabilities": {
        "browserName": "android",
        "deviceOrientation": "portrait",
        "deviceName": "Samsung Galaxy S4 Emulator"
      }
    },

    "iphone_x_simulator": {
      "desiredCapabilities": {
        "browserName": "Safari",
        "deviceOrientation": "portrait",
        "deviceName": "iPhone X Simulator",
        "platformVersion": "13.0",
        "platformName": "iOS"
      }
    }

  }
}