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
{
		InnerReportItemHandle( ReportDesign design, DesignElement element )
		{
			super( design, element );
		}
	}
	/**
	 * test getDataSet().
	 * <p>
	 * Test Cases:
	 * 
	 * <ul>
	 * <li>check free-form element which contains attribute data-set</li>
	 * <li>check list element which doesn't contain attribute data-set</li>
	 * </ul>
	 * 
	 * Excepted:
	 * <ul>
	 * <li>dataset name is myDataSet</li>
	 * <li>null</li>
	 * </ul>
	 * 
	 * @throws Exception
	 */
	public void testDataSet( ) throws Exception
	{
		openDesign( "ReportItemHandleTest.xml" );  
		
		element = design.findElement( "free form" );