public class Sequence
    {
        List<Test> Tests { get; set }

        public Sequence()
        {
        }

        public Sequence(List<Test> tests)
        {
            Tests = tests;
        }

        private Test.Result RunTest(Test test, ref string result)
        {

        }

        private void RunSequence(List<Test> tests)
        {
            if (!Globals.SequenceReadyForRun)
                return;
            
            CreateTab();

            LoadListView(tests);

            string data = "";
        
            foreach (Test test in tests)
            {
                RunTest(Test test, ref data);
                UpdateListView(test);
            }

        }
}

private void Open(Sequence sequence)
{
    TabPage tab = tabControl.TabPages.FirstOrDefault(p => sequence.Equals(p.Tag));

    if (tab != null)
    {
        tabControl.SelectTab(tab);
        return;
    }

    var view = new SequenceView(sequence);

    tab = new TabPage { Tag = sequence };
    tab.Controls.Add(view);

    tabControl.TabPages.Add(page);
    tabControl.SelectTab(tab);

    view.Dock = DockStyle.Fill;
}