DataDrivenTest.cs

namespace Core.BestPractices.Web.Tests.Desktop
{
// We read data from TestConfigData.PopularDesktopCombinations
    [TestFixtureSource(typeof(TestConfigData), nameof(TestConfigData.PopularDesktopCombinations))]
    [TestFixture]
    [Parallelizable]
    public class DesktopTests : WebTestsBase
    {
        [SetUp]
        public void SetupDesktopTests()
        {
            if (BrowserOptions.BrowserName == "chrome")
                ((ChromeOptions) BrowserOptions).AddAdditionalCapability("sauce:options", SauceOptions, true);
            else
                BrowserOptions.AddAdditionalCapability("sauce:options", SauceOptions);
            Driver = GetDesktopDriver(BrowserOptions.ToCapabilities());
        }

        public string BrowserVersion { get; }
        public string PlatformName { get; }
        public DriverOptions BrowserOptions { get; }

        public DesktopTests(string browserVersion, string platformName, DriverOptions browserOptions)
        {
            if (string.IsNullOrEmpty(browserVersion))
                BrowserVersion = browserVersion;
            if (string.IsNullOrEmpty(platformName))
                PlatformName = platformName;
            BrowserOptions = browserOptions;
        }

        [Test]
        [Category("ci")]
        public void LoginWorks()
        {
            var loginPage = new LoginPage(Driver);
            loginPage.Visit();
            loginPage.Login("standard_user");
            new ProductsPage(Driver).IsVisible().Should().NotThrow();
        }

TestConfigData.cs

    public class TestConfigData
    {
        private const string defaultBrowserVersion = "";
        private const string defaultOS = "";

        private static readonly SafariOptions safariOptions = new()
        {
            BrowserVersion = "latest",
            PlatformName = "macOS 10.15"
        };

        private static readonly ChromeOptions chromeOptions = new()
        {
            BrowserVersion = "latest",
            PlatformName = "Windows 10",
            UseSpecCompliantProtocol = true
        };

        private static readonly EdgeOptions edgeOptions = new()
        {
            BrowserVersion = "latest",
            PlatformName = "Windows 10"
        };

        internal static IEnumerable PopularDesktopCombinations
        {
            get
            {
                yield return new TestFixtureData("latest", "macOS 10.15", safariOptions);
                yield return new TestFixtureData(defaultBrowserVersion, defaultOS, chromeOptions);
                yield return new TestFixtureData(defaultBrowserVersion, defaultOS, edgeOptions);
            }
        }
    }