moz-grid-config/mac.json

{
    "capabilities":
        [
            {
                "browserName": "firefox",
                "version": "10",
                "firefox_binary": "/Applications/Firefox 10.app/Contents/MacOS/firefox-bin",
                "platform": "MAC",
                "maxInstances": 1,
                "seleniumProtocol": "WebDriver"
            }, {
                "browserName": "firefox",
                "version": "20",
                "firefox_binary": "/Applications/Firefox 20.app/Contents/MacOS/firefox-bin",
                "platform": "MAC",
                "maxInstances": 1,
                "seleniumProtocol": "WebDriver"
            }, {
                "browserName": "firefox",
                "version": "21",
                "firefox_binary": "/Applications/Firefox 21.app/Contents/MacOS/firefox-bin",
                "platform": "MAC",
                "maxInstances": 1,
                "seleniumProtocol": "WebDriver"
            }, {
                "browserName": "firefox",
                "version": "aurora",
                "firefox_binary": "/Applications/FirefoxAurora.app/Contents/MacOS/firefox-bin",
                "platform": "MAC",
                "maxInstances": 1,
                "seleniumProtocol": "WebDriver"
            }, {
                "browserName": "opera",
                "platform": "MAC",
                "maxInstances": 1,
                "seleniumProtocol": "WebDriver"
            }
        ],
    "configuration": {}
}