code: def test_su2_transform(op, matrix, phase):
      """Test the functionality to create SU(2) representation"""
      su2_matrix, su2_phase = _SU2_transform(op.matrix())
      assert qml.math.allclose(su2_matrix, matrix)
      assert qml.math.isclose(su2_phase, phase)
  
file_path: pennylane/tests/ops/op_math/test_solovay_kitaev.py
imports: import math
  import pytest
  import scipy
  import pennylane
  from pennylane.ops.op_math.decompositions.solovay_kitaev import _SU2_transform, _quaternion_transform, _contains_SU2, _approximate_set, _group_commutator_decompose, sk_decomposition
label_desc: Use image node_id 1 for calling a global function with example usage: test_su2_transform(op, matrix, phase) without return types