code: def test_validate_schema_dict(dict_grouping_size):
      grouping, size = dict_grouping_size
      schema = make_schema_with_nones(grouping)
      validate_grouping(grouping, schema)
  
      # check validation failures
      with pytest.raises(SchemaTypeValidationError):
          validate_grouping(None, schema)
  
      with pytest.raises(SchemaTypeValidationError):
          validate_grouping((None,), schema)
  
      with pytest.raises(SchemaKeysValidationError):
          validate_grouping({"A": 0, "bogus": 2}, schema)
  
imports: from dash.dependencies import Input
  from dash._grouping import flatten_grouping, make_grouping_by_index, grouping_len, map_grouping, make_grouping_by_key, validate_grouping, SchemaTypeValidationError, SchemaLengthValidationError, SchemaKeysValidationError
  from fixtures import scalar_grouping_size, list_grouping_size, dict_grouping_size, mixed_grouping_size
  import string
  import pytest
label_desc: Use image node_id 25 for calling a global function with example usage: test_validate_schema_dict(dict_grouping_size) without return types