code: def test_in_keys(self):
      assert 0 in self.c.keys()
      assert 0 in self.c
  
imports: import unittest
  import re
  import pytest
  import fiona
  from .conftest import WGS84PATTERN
label_desc: Use image node_id 36 for calling the ReadingTest obj's underlying member method code with example usage: obj.test_in_keys() without return types