<gh_stars>1-10
from unittest import TestCase


class TestNormalizer(TestCase):
    def test_normalize(self):
        raise NotImplementedError

    def test_removing_stop_words(self):
        raise NotImplementedError

    def test_lemmatization(self):
        raise NotImplementedError

    def test_denoising(self):
        raise NotImplementedError

from unittest import TestCase


class TestNormalizer(TestCase):
    def test_normalize(self):
        raise NotImplementedError

    def test_removing_stop_words(self):
        raise NotImplementedError

    def test_lemmatization(self):
        raise NotImplementedError

    def test_denoising(self):
        raise NotImplementedError