public void DataListViewModel_SearchText_NoMatchingScalars_ShouldSetScalarNotVisible()
{
//------------Setup for test--------------------------
var dataListViewModel = new DataListViewModel(new Mock<IEventAggregator>().Object);
const string scalarName = "scalar";
var scalarItem = new DataListItemModel(scalarName) { IsVisable = true };
dataListViewModel.ScalarCollection.Add(scalarItem);
//------------Execute Test---------------------------
dataListViewModel.SearchText = "test";
//------------Assert Results-------------------------
Assert.IsFalse(dataListViewModel.ScalarCollection[0].IsVisable);
}