SauceLabs Grid Url Generation

var envHost = Environment.GetEnvironmentVariable("SELENIUM_HOST");
var envPort = Environment.GetEnvironmentVariable("SELENIUM_PORT");
var username = GetSeleniumGridUsername();
var password = GetSeleniumGridPassword();

if (!string.IsNullOrWhiteSpace(envHost)
    && !string.IsNullOrEmpty(envPort)
    && !string.IsNullOrEmpty(username)
    && !string.IsNullOrEmpty(password))
{
    return $"http://{username}:{password}@{envHost}:{envPort}/wd/hub";
}