public void TestKeepRootsWithIndicatorIds()
{
List<GroupRoot> roots = new List<GroupRoot>{
new GroupRoot {IndicatorId = 1},
new GroupRoot {IndicatorId = 2}
};
var indicatorIds = new List<int> { 2 };
var filteredRoots = new GroupRootFilter(null).KeepRootsWithIndicatorIds(roots, indicatorIds);
Assert.AreEqual(1, filteredRoots.Count);
Assert.AreEqual(2, filteredRoots.First().IndicatorId);
}
