code: def test_decompogen_fails():
      A = lambda x: x**2 + 2 * x + 3
      B = lambda x: 4 * x**2 + 5 * x + 6
      assert decompogen(A(x * exp(x)), x) == [
          x**2 + 2 * x + 3,
          x * exp(x),
      ]
      assert decompogen(A(B(x)), x) == [
          x**2 + 2 * x + 3,
          4 * x**2 + 5 * x + 6,
      ]
      assert decompogen(A(1 / x + 1 / x**2), x) == [
          x**2 + 2 * x + 3,
          1 / x + 1 / x**2,
      ]
      assert decompogen(A(1 / x + 2 / (x + 1)), x) == [
          x**2 + 2 * x + 3,
          1 / x + 2 / (x + 1),
      ]
  
file_path: sympy/sympy/solvers/tests/test_decompogen.py
imports: from sympy.solvers.decompogen import decompogen, compogen
  from sympy.core.symbol import symbols
  from sympy.functions.elementary.complexes import Abs
  from sympy.functions.elementary.exponential import exp
  from sympy.functions.elementary.miscellaneous import sqrt, Max
  from sympy.functions.elementary.trigonometric import cos, sin
  from sympy.testing.pytest import XFAIL, raises
label_desc: Use image node_id 3 for calling a global function with example usage: test_decompogen_fails() without return types