import unittest
import numpy as np

x = np.array([20, 30])
y = np.array([150, 200, 300])

assert np.array_equal(x, y) is False

class MyTest(unittest.TestCase):
    def test_npequal(self):
        self.assertTrue(np.array_equal(x, y), "")

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