intern.json

{
    "suites": ["tests/connection-tests/**/*.js"],
    "serverPort": 9093,
    "socketPort": 9094,
    "serveOnly": true,
    "tunnelOptions": {
        "drivers": [{
            "name": "chrome",
            "version": "2.36"
        }]
    },
    "browser": {
        "loader": {
            "script": "systemjs"
        },
        "plugins": {
            "script": "system-config.js",
            "useLoader": true
        }
    },
    "environments": [

        {
            "browserName": "chrome",
            "fixSessionCapabilities": "no-detect",
            "chromeOptions": {
                "args": ["headless", "disable-gpu"]
            }
        }
    ],
    "configs": {

        "chrome": {
            "environments": "chrome",
            "tunnelOptions": {
                "tunnel": "selenium",
                "drivers": [{
                    "name": "chrome",
                    "version": "2.36"
                }]
            }
        }
    }
}