// Be sure that selenium-server-standalone-3.141.59.jar is running
public SeleniumTests(SeleniumServerFactory <Startup> server)
{
this.server = server;
server.CreateClient();
var opts = new ChromeOptions();
opts.AddArgument("--headless"); // Optional, comment this out if you want to SEE the browser window
opts.AddArgument("no-sandbox");
this.browser = new RemoteWebDriver(opts);
}