docstr: Test remove_none_values.
docstr_tok: ["Test","remove_none_values","."]
code: def test_remove_none_values(
      self, input: Dict[str, Any], expected: Dict[str, Any]
  ):
      """Test remove_none_values."""
  
      self.assertEqual(
          remove_none_values(input),
          expected,
          f"Expected {input} to be transformed into {expected}.",
      )
  
imports: import unittest
  from typing import Any, Dict
  from parameterized import parameterized
  from streamlit.elements.lib.dicttools import remove_none_values
label_desc: Use image node_id 1 for calling the DictToolsTest obj's underlying member method code with example usage: obj.test_remove_none_values(input, expected) without return types