Allow extending @ComponentList to create defined packs of Component Declarations

@Documented
@Retention(RUNTIME)
@Target({ TYPE, METHOD, ANNOTATION_TYPE })
@ComponentList({
// Rendering
    DefaultSyntaxFactory.class,
    XWikiRenderingContext.class,
    DefaultTransformationManager.class,
    DefaultXWikiRenderingConfiguration.class,
    PlainTextBlockParser.class,
    DefaultContentParser.class,
    PlainTextRendererFactory.class,
    PlainTextBlockRenderer.class,
// Transformation
    MacroTransformation.class,
    DefaultMacroManager.class,
    DefaultMacroIdFactory.class,
// Properties
    DefaultBeanManager.class,
    DefaultConverterManager.class,
    EnumConverter.class,
    ConvertUtilsConverter.class,
// XWiki 2.0
    XWiki20Parser.class,
    XWiki20LinkReferenceParser.class,
    XWiki20ImageReferenceParser.class,
    URLResourceReferenceTypeParser.class,
// XHTML 1.0
    XHTMLBlockRenderer.class,
    XHTMLRendererFactory.class,
    XHTMLRenderer.class,
    DefaultXHTMLLinkRenderer.class,
    DefaultXHTMLLinkTypeRenderer.class,
    DefaultXHTMLImageRenderer.class,
    DefaultXHTMLImageTypeRenderer.class,
// Display
    ConfiguredDocumentDisplayer.class,
    DefaultDisplayConfiguration.class,
    DefaultDocumentDisplayer.class,
    DocumentTitleDisplayer.class,
    DocumentContentDisplayer.class,
    SheetDocumentDisplayer.class,
// Sheet
    DefaultSheetManager.class,
    DefaultModelBridge.class,
    DocumentSheetBinder.class,
    ClassSheetBinder.class,
// Model
    DefaultDocumentAccessBridge.class,
// Velocity
//    DefaultVelocityManager.class,
    DefaultScriptContextManager.class,
    DefaultVelocityFactory.class,
    DefaultVelocityConfiguration.class,
    DefaultVelocityEngine.class,
    DefaultVelocityContextFactory.class,
// Skin
    DefaultSkinManager.class,
    InternalSkinManager.class,
    InternalSkinConfiguration.class,
    WikiSkinUtils.class,
// Other (not categorized for now)
    DefaultObservationManager.class,
    DefaultExecutionContextManager.class,
    DefaultExecution.class,
    ScriptExecutionContextInitializer.class,
    XWikiScriptContextInitializer.class,
    ServicesScriptContextInitializer.class,
    DefaultScriptServiceManager.class,
    // Needed by the test itself
    VelocityMacro.class,
    DefaultVelocityMacroConfiguration.class,
    DefaultMacroContentParser.class,
    IndentVelocityMacroFilter.class,
    DefaultContextualLocalizationManager.class, // Needed by XWikiScriptContextInitializer
    DefaultLocalizationManager.class,
    DefaultTranslationBundleContext.class,
    XWikiLocalizationContext.class
})
@Inherited
public @interface PageComponentList
{
}

@PageComponentList
@ComponentList({
    StubVelocityManager.class
})
public class WebRssTest
{
    @Rule
    public MockitoOldcoreRule oldcore = new MockitoOldcoreRule();
...