Bug 185898 ReportItemHandle needs to add two method: getAvailableDataBindingReferenceList and getDataBindingType.
ReportItemHandle needs to add two method: getAvailableDataBindingReferenceList and getDataBindingType. The first method provider the available ReportItem list of DataBindingReference. The second method provider the type of the DataBinding.
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/api/ReportItemHandleTest.java
* 
 * <tr>
 * <td></td>
 * <td>The number of visibility rules in elements.</td>
 * <td>The number is 2.</td>
 * </tr>
 * 
 * <tr>
 * <td>testWriteVisibilityRules</td>
 * <td>The default format value in the visibility rule.</td>
 * <td>The default value can be written out to the design file.</td>
 * </tr>
 * 
 * <tr>
 * <td></td>
 * <td>Sets "format" and "valueExpr" properties of a visibility rule.</td>
 * <td>"format" and "valueExpr" can be written out and the output file matches
 * with the golden file.</td>
 * </tr>
 * 
 * <tr>
 * <td>{@link #testCssProperties()}</td>
 * <td>Tests the special "vertical-align" property.</td>
 * <td>If the property is defined on the row, cell, elements in cells can get
 * the "vertical-align" value.</td>
 * </tr>
 * 
 * </table>
 */
public class ReportItemHandleTest extends BaseTestCase