public void SetLookupIdsFromListTest()
{
var expected = new List <int> {
1, 2, 3, 5, 7, 11, 13
};
var item = CreateFakeItem();
var wrapper = new ListItemWrapper(item);
wrapper.SetLookupIds("MyLookup", expected);
var actualFields = (FieldLookupValue[])item["MyLookup"];
var actual = actualFields.Select(f => f.LookupId).ToList();
Assert.IsTrue(expected.All(v => actual.Contains(v)));
Assert.IsTrue(actual.All(v => expected.Contains(v)));
}