code: def test_crs_closed_crs(self):
      self.c.crs
      self.c.close()
      assert sorted(self.c.crs.keys()) == ["init"]
  
imports: import unittest
  import re
  import pytest
  import fiona
  from .conftest import WGS84PATTERN
label_desc: Use image node_id 23 for calling the ReadingTest obj's underlying member method code with example usage: obj.test_crs_closed_crs() without return types