code: def test_pipeline_has_dummy_preprocessor_with_disabled_preprocessing():
      """
      Tests pipeline with disabled input data preprocessing has dummy preprocessor
      """
      pipeline = Pipeline(
          PipelineNode("ridge"), use_input_preprocessing=False
      )
      assert isinstance(pipeline.preprocessor, DummyPreprocessor)
  
file_path: FEDOT/test/integration/preprocessing/test_pipeline_preprocessing.py
imports: from typing import Tuple, Callable
  import pandas
  import pytest
  from fedot.core.data.data import InputData
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.preprocessing.dummy_preprocessing import DummyPreprocessor
  from fedot.preprocessing.preprocessing import DataPreprocessor
  from test.unit.preprocessing.test_pipeline_preprocessing import data_with_mixed_types_in_each_column, data_with_only_categorical_features
label_desc: Use image node_id 1 for calling a global function with example usage: test_pipeline_has_dummy_preprocessor_with_disabled_preprocessing() without return types