code: def test_bgr2rgb():
      cv_bgr = cv.imread(tens_path)
      cv_bgr = caer.to_tensor(cv_bgr, cspace="bgr")
      rgb = caer.bgr2rgb(cv_bgr)
  
      assert len(rgb.shape) == 3
      assert isinstance(rgb, caer.Tensor)
      assert rgb.is_rgb()
  
file_path: caer/tests/color/test_bgr.py
imports: import caer
  import cv2
  import os
label_desc: Use image node_id 1 for calling a global function with example usage: test_bgr2rgb() without return types