<filename>tests/tests_preprocessing/run.py
import os
import sys
import unittest

from tests.tests_preprocessing.test_preprocessing_missing import (
    PreprocessingMissingValuesTest,
)
from tests.tests_preprocessing.test_preprocessing_categorical_integers import (
    PreprocessingCategoricalIntegersTest,
)

# from tests.tests_preprocessing.test_preprocessing_categorical_one_hot import PreprocessingCategoricalOneHotTest
from tests.tests_preprocessing.test_label_encoder import LabelEncoderTest
from tests.tests_preprocessing.test_label_binarizer import LabelBinarizerTest
from tests.tests_preprocessing.test_preprocessing_utils import PreprocessingUtilsTest
from tests.tests_preprocessing.test_preprocessing_scale import PreprocessingScale
from tests.tests_preprocessing.test_preprocessing_step import PreprocessingStepTest


if __name__ == "__main__":
    unittest.main()

<filename>tests/tests_preprocessing/run.py
import os
import sys
import unittest

from tests.tests_preprocessing.test_preprocessing_missing import (
    PreprocessingMissingValuesTest,
)
from tests.tests_preprocessing.test_preprocessing_categorical_integers import (
    PreprocessingCategoricalIntegersTest,
)

# from tests.tests_preprocessing.test_preprocessing_categorical_one_hot import PreprocessingCategoricalOneHotTest
from tests.tests_preprocessing.test_label_encoder import LabelEncoderTest
from tests.tests_preprocessing.test_label_binarizer import LabelBinarizerTest
from tests.tests_preprocessing.test_preprocessing_utils import PreprocessingUtilsTest
from tests.tests_preprocessing.test_preprocessing_scale import PreprocessingScale
from tests.tests_preprocessing.test_preprocessing_step import PreprocessingStepTest


if __name__ == "__main__":
    unittest.main()

# from tests.tests_preprocessing.test_preprocessing_categorical_one_hot import PreprocessingCategoricalOneHotTest