System.out.println(selectedTests[0]);
starterGui.setVisible(false);
final ServingUi servingUi = new ServingUi();
servingUi.setVisible(true);
servingUi.startTimer(testsTimeOut[0]);
serveTests(selectedTests, testsTimeOut, new SessionCallback() {
@Override
public void onClientConnected() {
servingUi.increaseOnline(1);
};