code: def test_bottom_up():
      _test_global_traversal(bottom_up)
      _test_stop_on_non_basics(bottom_up)
  
imports: from sympy.strategies.traverse import top_down, bottom_up, sall, top_down_once, bottom_up_once, basic_fns
  from sympy.strategies.rl import rebuild
  from sympy.strategies.util import expr_fns
  from sympy.core.add import Add
  from sympy.core.basic import Basic
  from sympy.core.numbers import Integer
  from sympy.core.singleton import S
  from sympy.core.symbol import Str, Symbol
  from sympy.abc import x, y, z
label_desc: Use image node_id 3 for calling a global function with example usage: test_bottom_up() without return types