private void process() {
        if (!GuiUtils.validUserKeyField(userKeyTextField)) {
            return;
        }
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                GuiUtils.getUserTests(testIdComboBox, mainPanel, cloudPanel, userKeyTextField.getText());
                signUpButton.setVisible(false);
                BmTestManager.getInstance().getUsers(true);
                TestPanel.getTestPanel().enableMainPanelControls(true);
            }
        });
    }