public void ParentInChildsIsSet()
 {
     var converter = new ContainerConverter(container.Location);
     var convertedContainer = converter.ConvertToExportContainer(container);
     var convertedList = converter.CreateConvertedList(container.Items);
     converter.SetParent(convertedContainer,convertedList);
     convertedContainer.ExportedItems.AddRange(convertedList);
     foreach (var element in convertedContainer.ExportedItems) {
         Assert.That(element.Parent,Is.Not.Null);
     }
 }