TestUserAgent userAgent = new TestUserAgent();
GVTBuilder builder = new GVTBuilder();
BridgeContext ctx = new BridgeContext(userAgent);
ctx.setDynamic(true);
builder.build(ctx, doc);
BaseScriptingEnvironment scriptEnvironment
= new BaseScriptingEnvironment(ctx);
scriptEnvironment.loadScripts();
scriptEnvironment.dispatchSVGLoadEvent();