import unittest
from my_dimension_reduction.dimension_reduction import reduce_dimensionality
# Import other modules and functions you want to test

class TestDimensionReduction(unittest.TestCase):
    def test_pca(self):
        # Write test cases for PCA dimension reduction
        pass

    def test_random_projection(self):
        # Write test cases for Random Projection dimension reduction
        pass

    # Add more test methods for other techniques

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