code: def test_non_equality_cases(pipeline_fixture, request):
      list_pipelines_pairs = request.getfixturevalue(pipeline_fixture)
      for pair in list_pipelines_pairs:
          assert not pair[0] == pair[1]
          assert not pair[1] == pair[0]
  
file_path: FEDOT/test/unit/pipelines/test_pipeline_comparison.py
imports: import itertools
  from copy import deepcopy
  import pytest
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.pipelines.pipeline import Pipeline
label_desc: Use image node_id 8 for calling a global function with example usage: test_non_equality_cases(pipeline_fixture, request) without return types