test_all_missing_column_warns_and_remains_missing (test_solution.CleaningTests.test_all_missing_column_warns_and_remains_missing) ... ok
test_decorators_preserve_result_metadata_and_exception (test_solution.CleaningTests.test_decorators_preserve_result_metadata_and_exception) ... ok
test_drop_retains_only_complete_rows (test_solution.CleaningTests.test_drop_retains_only_complete_rows) ... ok
test_empty_frame_is_supported (test_solution.CleaningTests.test_empty_frame_is_supported) ... ok
test_factory_validation (test_solution.CleaningTests.test_factory_validation) ... ok
test_mean_values_and_input_immutability (test_solution.CleaningTests.test_mean_values_and_input_immutability) ... ok
test_mode_tie_rule (test_solution.CleaningTests.test_mode_tie_rule) ... ok
test_normalize_preserves_id_and_handles_constant (test_solution.CleaningTests.test_normalize_preserves_id_and_handles_constant) ... ok
test_pipeline_round_trip_and_write_boundary (test_solution.CleaningTests.test_pipeline_round_trip_and_write_boundary) ... ok
test_reader_lazy_preview_and_copy (test_solution.CleaningTests.test_reader_lazy_preview_and_copy) ... ok
test_strategy_is_abstract (test_solution.CleaningTests.test_strategy_is_abstract) ... ok
test_template_call_order (test_solution.CleaningTests.test_template_call_order) ... ok
test_text_preserves_missing_and_deduplication_order (test_solution.CleaningTests.test_text_preserves_missing_and_deduplication_order) ... ok

----------------------------------------------------------------------
Ran 13 tests in 0.017s

OK