Run unittests from other module http://stackoverflow.com/questions/15334042/python-unittesting-run-tests-in-another-module

run.py

from tests import testentities

import unittest


def suite():
    suite = unittest.TestSuite()
    suite.addTest(testentities.suite())
    return suite

if __name__ == "__main__":
    unittest.main(defaultTest='suite')

testentities.py

import unittest


class TestClient(unittest.TestCase):
    def test_valid(self):
        self.assertTrue(True)

    def test_invalid(self):
        self.assertTrue(False)


def suite():
    suite = unittest.TestSuite()
    suite.addTest(unittest.makeSuite(TestClient, 'test'))
    return suite