class_docstr: Simple functionality tests. 
class_docstr_tok: ["Simple","functionality","tests","."]
docstr: Test that the cv2 module can be imported. 
docstr_tok: ["Test","that","the","cv2","module","can","be","imported","."]
code: def test_import(self):
      """Test that the cv2 module can be imported."""
      import cv2
  
imports: import unittest
  import sys
label_desc: Use image node_id 1 for calling the OpenCVTest obj's underlying member method code with example usage: obj.test_import() without return types