code: def test_Pauli_should_work():
      assert sigma1 * sigma3 * sigma1 == -sigma3
  
file_path: sympy/sympy/physics/tests/test_paulialgebra.py
imports: from sympy.core.numbers import I
  from sympy.core.symbol import symbols
  from sympy.physics.paulialgebra import Pauli
  from sympy.testing.pytest import XFAIL
  from sympy.physics.quantum import TensorProduct
label_desc: Use image node_id 3 for calling a global function with example usage: test_Pauli_should_work() without return types