@Before
 public void setUp() throws Exception {
   super.setUp();
   marshaller = new AssignmentDataMarshaller();
   inputs = new ArrayList<AssignmentRow>();
   outputs = new ArrayList<AssignmentRow>();
   dataTypes = new ArrayList<String>();
   dataTypesDisplayNames = new ArrayList<String>();
   dataTypes.add("String");
   dataTypesDisplayNames.add("String");
   dataTypes.add("Integer");
   dataTypesDisplayNames.add("Integer");
 }
 @After
 public void tearDown() {
   super.tearDown();
 }