[Theory]
    [ClassData (typeof (V2TestDrivers))]
    public void Toplevel_TabGroup_Forward_Backward (V2TestDriver d)
    {
        var v1 = new View { Id = "v1", CanFocus = true };
        var v2 = new View { Id = "v2", CanFocus = true };
        var v3 = new View { Id = "v3", CanFocus = true };
        var v4 = new View { Id = "v4", CanFocus = true };

        using GuiTestContext c = With.A<Window> (50, 20, d)
                                     .Then (
                                            () =>
                                            {
                                                var w1 = new Window { Id = "w1" };
                                                w1.Add (v1, v2);
                                                var w2 = new Window { Id = "w2" };
                                                w2.Add (v3, v4);
                                                Toplevel top = Application.Top!;
                                                Application.Top!.Add (w1, w2);
                                            })
                                     .WaitIteration ()
                                     .Then (() => Assert.True (v3.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6)
                                     .Then (() => Assert.True (v1.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6)
                                     .Then (() => Assert.True (v3.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6.WithShift)
                                     .Then (() => Assert.True (v1.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6.WithShift)
                                     .Then (() => Assert.True (v3.HasFocus))
                                     .RaiseKeyDownEvent (Key.Tab)
                                     .Then (() => Assert.True (v4.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6)
                                     .Then (() => Assert.True (v1.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6)
                                     .Then (() => Assert.True (v4.HasFocus)) // Fails because it navigates to the previous view v3
                                     .RaiseKeyDownEvent (Key.F6.WithShift)
                                     .Then (() => Assert.True (v1.HasFocus))
                                     .RaiseKeyDownEvent (Key.Tab)
                                     .Then (() => Assert.True (v2.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6.WithShift)
                                     .Then (() => Assert.True (v4.HasFocus))
                                     .RaiseKeyDownEvent (Key.F6.WithShift)
                                     .Then (() => Assert.True (v2.HasFocus))
                                     .WriteOutLogs (_out)
                                     .Stop ();
        Assert.False (v1.HasFocus);
        Assert.False (v2.HasFocus);
        Assert.False (v3.HasFocus);
        Assert.False (v4.HasFocus);
    }