Before SVG relayout:
  rect x: 18
  rect y: 18
  rect width: 30
  rect height: 30
After SVG relayout:
  rect x: 23
  rect y: 23
  rect width: 30
  rect height: 30
Rect preserved after SVG relayout:
  width unchanged: true
  height unchanged: true
  x moved by 5: 5
  y moved by 5: 5