nightwatch.json

{
    "src_folders": ["tests"],
    "output_folder": "reports/XMLReports",
    "custom_commands_path": "",
    "custom_assertions_path": "",
    "page_objects_path": "pages",
    "selenium": {
      "start_process": true,
      "server_path": "lib/drivers/selenium-server-standalone-3.8.1.jar",
      "start_session": true,
      "log_path": "log/",
      "host": "127.0.0.1",
      "port": 4444,
      "cli_args" : {
        "webdriver.chrome.driver": "lib/drivers/chromedriver",
        "webdriver.gecko.driver": "lib/drivers/geckodriver.exe",
        "webdriver.ie.driver" : "lib/drivers/IEDriverServer.exe"
      }        
    },
    "test_settings" : {
        "chrome": {
            "launch_url": "http://localhost",
            "selenium_port": 4444,
            "selenium_host": "localhost",
            "silent": true,
            "screenshots": {
              "enabled": false,
              "path": "screenshots/Chrome/"
            },
            "desiredCapabilities": {
              "browserName": "chrome",
              "chromeOptions": {
                "args": [
                  "disable-web-security",
                 "ignore-certificate-errors",
                 "--test-type"
                ]
              }
            }
          },
          "firefox": {
            "launch_url": "http://localhost",
            "selenium_port": 4444,
            "selenium_host": "localhost",
            "silent": true,
            "screenshots": {
              "enabled": false,
              "path": ""
            },
            "desiredCapabilities": {
              "browserName": "firefox",
              "javascriptEnabled": true,
              "acceptSslCerts": true,
              "marionette": true
            }      
          },    
      "edge" : {
         "launch_url": "http://localhost",
            "selenium_port": 4444,
            "selenium_host": "localhost",
            "silent": true,
            "screenshots": {
              "enabled": false,
              "path": ""
            },
        "desiredCapabilities": {
          "browserName": "MicrosoftEdge"
        }
      }
    }
  }