set flag revalidateIncludingFullCenterContainer_debug.

svoid test_imageSurfaceRevalidationInFullCenter() {
  ImageSurface imageSurface = imageSurface();
  imageSurface.setImage(whiteImage(50, 50));
  imageSurface.verbose(true);
  enableScaffolding(imageSurface);
  showFrame(jMinSize(500, 500, jscroll_borderless(setBackground(Color.gray, jFullCenter(imageSurface)))));
  sleepSeconds(1);
  var parent = getParent(imageSurface);
  print("Parent layout: " + parent.getLayout());
  print("Parent: " + parent);
  assertEqualsVerbose("Image surface size (base line)", new Dimension(50, 50), jGetSize(imageSurface));
  imageSurface.setImage(whiteImage(100, 100));
  sleepSeconds(1);
  assertEqualsVerbose("Image surface size after image change", new Dimension(100, 100), jGetSize(imageSurface));
}