code: def test_context(self):
      with fiona.open(self.path_coutwildrnp_shp, "r") as c:
          assert c.name == "coutwildrnp"
          assert len(c) == 67
      assert c.closed
  
imports: import unittest
  import re
  import pytest
  import fiona
  from .conftest import WGS84PATTERN
label_desc: Use image node_id 27 for calling the ReadingTest obj's underlying member method code with example usage: obj.test_context() without return types