import unittest
from math import sqrt

class MathTest(unittest.TestCase):
    def setUp(self):
        self.sqrt2 = sqrt(2)

    def runTest(self):
        self.assertAlmostEqual(self.sqrt2*self.sqrt2,2.0)

def suite():
    sweet = unittest.TestSuite()
    sweet.addTest(MathTest())
    return sweet

if __name__ == '__main__':
    unittest.TextTestRunner().run(suite())