text: import numpy as np
  import pytest
  
  
  @pytest.fixture(
      params=[
          -np.pi/2,
          np.pi/2,
      ],
  )
  def angle(request):
      return request.param
  
  
  @pytest.fixture(
      params=[
          np.array([0, 1, 0]),
          np.array([1, 0, 0]),
          np.array([1/np.sqrt(3), 1/np.sqrt(3), 1/np.sqrt(3)])
      ],
  )
  def axis(request):
      return np.array(request.param)
  