private void StartingButton_Click(object sender, EventArgs e)
        {
            //Closing Welcome page and opened GetTests
            GetTests t = new GetTests();

            this.Visible = false;
            t.Show(this);
        }
        private void Restart_Click(object sender, EventArgs e)
        {
            //Reload this page after finish test
            GetTests gt = new GetTests();

            this.Visible = false;
            gt.Show(this);
        }