nightwatch.json

{
  "src_folders" : ["tests"],
  "test_runner" : {
    "type" : "mocha",
    "options" : {
      "ui" : "bdd",
      "reporter" : "spec"
    }
  },
  "output_folder" : "reports",
  "selenium" : {
    "start_process" : true,
    "server_path" : "./node_modules/selenium-server-standalone-jar/jar/selenium-server-standalone-3.14.0.jar",
    "host" : "127.0.0.1",
    "port" : 4444,
    "cli_args" : {
      "webdriver.chrome.driver" : "./node_modules/.bin/chromedriver"
    }
  },
  "test_settings" : {
    "default" : {
      "launch_url" : "http://localhost",
      "selenium_port"  : 4444,
      "selenium_host"  : "localhost",
      "silent": true,
      "screenshots" : {
        "enabled" : false,
        "path" : "screenshots"
      },
      "desiredCapabilities": {
        "browserName": "chrome",
        "javascriptEnabled": true,
        "acceptSslCerts": true
      }
    },

    "chrome" : {
      "desiredCapabilities": {
        "browserName": "chrome",
        "javascriptEnabled": true,
        "acceptSslCerts": true
      }
    }
  },
  "test_workers": {
    "enabled": false
  }
}