Bug 187464 [Automation][Regression] visibility of master page header/footer did not work properly
steps to reproduce: - use the attached report design - preview in web viewer expected behavior: - master page header/footer should be hidden actual behavior: - master page header/footer still appeared
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/internal/document/v4/MasterPageExecutor.java
CachedReportContentReaderV3 pageReader = manager.getPageReader( );
			content = pageReader.loadContent( pageOffset );
			InstanceID iid = content.getInstanceID( );
			long id = iid.getComponentID( );
			masterPage = (SimpleMasterPageDesign) context.getReport( )
					.getReportItemByID( id );
			content.setGenerateBy( design );
			IPageContent pageContent = (IPageContent) content;
			pageContent.setPageNumber( pageNumber );
			return content;
		}
		catch ( IOException ex )
		{
			context.addException( new EngineException(
					ex.getLocalizedMessage( ), ex ) );
		}
		return null;
	}
	protected ReportItemExecutor doCreateExecutor( long offset )
			throws Exception
	{
		if ( nextBand >= HEADER_BAND && nextBand <= FOOTER_BAND )
		{
			ArrayList band = null;
			switch ( nextBand )
			{
				case HEADER_BAND :
					band = masterPage.getHeaders( );
					break;
				case FOOTER_BAND :