public void DataListViewModel_RemoveDataListItem_WithNullItem_ShouldDoNothing()
{
//------------Setup for test--------------------------
var dataListViewModel = new DataListViewModel(new Mock<IEventAggregator>().Object);
const string recsetName = "recset";
const string firstFieldName = "f1";
var recSetDataModel = CreateRecsetDataListModelWithTwoFields(recsetName, firstFieldName, "f2");
dataListViewModel.RecsetCollection.Add(recSetDataModel);
var dataListParts = new List<IDataListVerifyPart>();
var part = CreateRecsetPart(recsetName, firstFieldName);
dataListParts.Add(part.Object);
//----------------------Precondition----------------------------
Assert.AreEqual(1, dataListViewModel.RecsetCollection.Count);
//------------Execute Test---------------------------
dataListViewModel.RemoveDataListItem(null);
//------------Assert Results-------------------------
Assert.AreEqual(1, dataListViewModel.RecsetCollection.Count);
}