{ "capabilities": [ { "browserName": "firefox", "maxInstances": 5 }, { "browserName": "chrome", "maxInstances": 5 }, { "browserName": "internet explorer", "maxInstances": 1 } ], "configuration": { "proxy": "org.openqa.grid.selenium.proxy.WebDriverRemoteProxy", "maxSession": 5, "port": 5555, "host": ip, "register": true, "registerCycle": 5000, "hubPort": 4444 } }