code: def test_commutator_dagger():
      comm = Comm(A * B, C)
      assert Dagger(comm).expand(commutator=True) == -Comm(
          Dagger(B), Dagger(C)
      ) * Dagger(A) - Dagger(B) * Comm(Dagger(A), Dagger(C))
  
file_path: sympy/sympy/physics/quantum/tests/test_commutator.py
imports: from sympy.core.numbers import Integer
  from sympy.core.symbol import symbols
  from sympy.physics.quantum.dagger import Dagger
  from sympy.physics.quantum.commutator import Commutator
  from sympy.physics.quantum.operator import Operator
label_desc: Use image node_id 3 for calling a global function with example usage: test_commutator_dagger() without return types