public void DestinationReceivesConvertedData()
{
DataTable originalData = new DataTable("table1");
DataTable convertedData = new DataTable("table2");
_source.GetData().Returns(originalData);
_converter.ConvertData(originalData).Returns(convertedData);
var importer = new Importer(_source, _converter, _destination);
importer.Run();
Assert.NotEqual(originalData, convertedData);
_destination.Received(1).Receive(convertedData);
}