public void ClockGroupCollectionTest_HasIcon() { var mf = new MainForm(); var df = mf.MyDataFile; var d = new ClockVMCollection.Model(df); ClockGroupMCollection c = d.Groups; d.AppliedFilter = new FilterM(d); var cl = new TimerData(df, mf.MultiAudioPlayer) { GroupName = "g1" }; d.AddClock(cl); // Act c.SetIcon("g1", SystemIcons.Information.ToBitmap()); // Assert Assert.IsTrue(c.HasIcon("g1")); }