public void UnionLayoutList()
{
LayoutInfo layout1 = new LayoutInfo()
{
Id = "vlarf"
};
LayoutInfo layout2 = new LayoutInfo()
{
Id = "test"
};
LayoutInfo layout3 = new LayoutInfo()
{
Id = "today"
};
LayoutList list1 = new LayoutList();
list1.Add(layout1);
list1.Add(layout2);
LayoutList list2 = new LayoutList();
list2.Add(layout1);
list2.Add(layout3);
var union = list1.AsEnumerable().Union(list2.AsEnumerable());
Assert.NotNull(union);
}