browserstack.json

{
    "test_framework" : "qunit",
    "test_path": "test/index.html",
    "browsers": [
        "chrome_previous",
        "chrome_latest",
        "firefox_previous",
        "firefox_latest",
        "opera_latest",
        "opera_previous",
        "ie_9",
        "ie_10",
        "ie_11",
        {
            "browser": "safari",
            "browser_version": "latest",
            "os": "OS X",
            "os_version": "Mountain Lion"
        },
        {
            "browser": "safari",
            "browser_version": "latest",
            "os": "OS X",
            "os_version": "Mavericks"
        },
        {
            "browser": "safari",
            "browser_version": "latest",
            "os": "OS X",
            "os_version": "Yosemite"
        },
        {
            "browser": "safari",
            "browser_version": "latest",
            "os": "OS X",
            "os_version": "El Capitan"
        },
        {
            "browser": "safari",
            "browser_version": "latest",
            "os": "OS X",
            "os_version": "Sierra"
        },
        {
            "browser": "safari",
            "browser_version": "latest",
            "os": "OS X",
            "os_version": "High Sierra"
        },
        {
            "browser": "safari",
            "browser_version": "latest",
            "os": "OS X",
            "os_version": "Mojave"
        }    
    ]
}