cfg = new ContainerDescriptorHandlerConfig();
cfg.setHandlerName( "two" );
assembly.addContainerDescriptorHandler( cfg );
final Component component = new Component();
cfg = new ContainerDescriptorHandlerConfig();
cfg.setHandlerName( "three" );
component.addContainerDescriptorHandler( cfg );
new DefaultAssemblyReader().mergeComponentWithAssembly( component, assembly );
final List<ContainerDescriptorHandlerConfig> result = assembly.getContainerDescriptorHandlers();