code: def test_closed_no_iter(self):
      self.c.close()
      with pytest.raises(ValueError):
          iter(self.c)
  
imports: import unittest
  import re
  import pytest
  import fiona
  from .conftest import WGS84PATTERN
label_desc: Use image node_id 10 for calling the ReadingTest obj's underlying member method code with example usage: obj.test_closed_no_iter() without return types