public void TryGetValues()
{
var lookup = GetTestLookup();
IEnumerable<string> values;
Assert.IsTrue (lookup.TryGetValues ("F", out values));
Assert.IsNotNull (values);
var v = values.ToList();
Assert.AreEqual (2, v.Count);
Assert.Contains ("Foo", v);
Assert.Contains ("Foobar", v);
}