protected override void Arrange()
{
base.Arrange();
var section = new MockSectionWithMultipleChildCollections();
BuildSection(section);
ViewModel = SectionViewModel.CreateSection(Container, "name", section);
}
protected virtual void BuildSection(MockSectionWithMultipleChildCollections section)
{
section.Children.Add(new TestHandlerData() { Name = "One" });
section.Children.Add(new TestHandlerData() { Name = "Two" });
section.Children.Add(new TestHandlerData() { Name = "Three" });
}