code: def test_svg():
      a = Symbol("a")
      b = Symbol("b")
      d = Symbol("d")
  
      entity = Circle(Point(a, b), d)
      assert entity._repr_svg_() is None
  
      entity = Circle(Point(0, 0), S.Infinity)
      assert entity._repr_svg_() is None
  
file_path: sympy/sympy/geometry/tests/test_entity.py
imports: from sympy.core.numbers import Rational, pi
  from sympy.core.singleton import S
  from sympy.core.symbol import Symbol
  from sympy.geometry import Circle, Ellipse, Point, Line, Parabola, Polygon, Ray, RegularPolygon, Segment, Triangle, Plane, Curve
  from sympy.geometry.entity import scale, GeometryEntity
  from sympy.testing.pytest import raises
label_desc: Use image node_id 2 for calling a global function with example usage: test_svg() without return types