code: def test_default():
      body = Body("body")
      assert body.name == "body"
      assert body.loads == []
      point = Point("body_masscenter")
      point.set_vel(body.frame, 0)
      com = body.masscenter
      frame = body.frame
      assert com.vel(frame) == point.vel(frame)
      assert body.mass == Symbol("body_mass")
      ixx, iyy, izz = symbols("body_ixx body_iyy body_izz")
      ixy, iyz, izx = symbols("body_ixy body_iyz body_izx")
      assert body.inertia == (
          inertia(body.frame, ixx, iyy, izz, ixy, iyz, izx),
          body.masscenter,
      )
  
imports: from sympy import Symbol, symbols, sin, cos, Matrix, zeros, simplify
  from sympy.physics.vector import Point, ReferenceFrame, dynamicsymbols, Dyadic
  from sympy.physics.mechanics import inertia, Body
  from sympy.testing.pytest import raises
label_desc: Use image node_id 1 for calling a global function with example usage: test_default() without return types