Bug 210496 Add hasStyle property in reportItemModel extension point
When chart gets reportItem's properties by extending ReportItem, style properties are null. Hence, model needs to add hasStyle property in reportItemModel extension point
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/extension/ReportItemExtensionTest.java
{
			assertEquals(
					PropertyNameException.DESIGN_EXCEPTION_PROPERTY_NAME_INVALID,
					e.getErrorCode( ) );
		}
		
		assertEquals( "12.5cm", itemHandle 
				.getStringProperty( ReportItem.Y_PROP ) );
		assertNull( itemHandle.getStringProperty( "test2" ) ); 
		
		IElementDefn elementDefn = itemHandle.getDefn( );
		assertEquals( elementDefn, MetaDataDictionary.getInstance( )
				.getElement( ReportDesignConstants.EXTENDED_ITEM ) );
		ExtendedItem element = (ExtendedItem) itemHandle.getElement( );
		assertNull( element.getExtDefn( ) );
		assertFalse( element.isExtensionXMLProperty( ReportItem.Y_PROP ) );
		assertFalse( element.isExtensionXMLProperty( "test3" ) ); 
	}
	/**
	 * Tests opening the design file without extension. The element behaves as
	 * an extended item.
	 * 
	 * @throws DesignFileException
	 * @throws SemanticException
	 */
	public void testOpenDesignFileWithoutExtension( )
			throws DesignFileException, SemanticException
	{
		openDesign( fileName_5 );
		List list = designHandle.getErrorList( );