public void IntersectDefaultEqualityComparer_SortedDictionaryFirst_ReturnsSortedDictionary()
{
var first = new SortedDictionary<int, int> { { 2, 3 }, { 3, 5 } };
var second = new SortedList<int, int> { { 3, 2 }, { 4, 7 } };
var actual = first.Intersect(second, EqualityComparer<KeyValuePair<int, int>>.Default);
Assert.IsInstanceOf<SortedDictionary<int, int>>(actual);
}