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/PeerExtensionTest.java
extendedItem.setProperty( "cube", "Customer Cube" );
		Iterator iterator = cubeHandle.clientsIterator( );
		assertTrue( iterator.hasNext( ) );
		DesignElementHandle client = (DesignElementHandle) iterator.next( );
		assertEquals( "testTable", client.getName( ) );
		assertFalse( iterator.hasNext( ) );
	}
	/**
	 * Tests IReportItem :: getFunctions.
	 * 
	 * @throws Exception
	 */
	public void testGetMethods( ) throws Exception
	{
		openDesign( FILE_NAME );
		ExtendedItemHandle extendedItem = (ExtendedItemHandle) designHandle
				.findElement( "testBox" ); 
		assertNotNull( extendedItem );
		List retList = extendedItem.getMethods( "onRender" ); 
		assertFalse( retList.isEmpty( ) );
		IMethodInfo method = (IMethodInfo) retList.get( 0 );
		assertEquals( "getMethod1", method.getName( ) ); 
		assertEquals( "java.lang.String", method.getReturnType( ) ); 
		retList = extendedItem.getMethods( "onPrepare" ); 
		assertNull( retList );
		retList = extendedItem.getMethods( "onCreate" ); 
		assertNotNull( retList );
		method = (IMethodInfo) retList.get( 0 );
		assertEquals( "performOnCreate", method.getName( ) ); 
		assertEquals( "java.lang.String", method.getReturnType( ) );