import unittest
from selenium import webdriver

# Base Selenium Test class from which all test cases inherit.
class BaseSeleniumTest(unittest.TestCase):
    def setUp(self):
        self.browser = webdriver.Firefox()
    def tearDown(self):
        self.browser.close()

import unittest
import test_example

if __name__ == "__main__":
    SeTestSuite = test_example.TitleSpelling()
    unittest.TextTestRunner(verbosity=2).run(SeTestSuite)

from base import BaseSeleniumTest

# Test the spelling of the title
class TitleSpelling(BaseSeleniumTest):
    def test_a(self):
        self.assertTrue(False)

    def test_b(self):
        self.assertTrue(True)

Traceback (most recent call last):
  File "H:Pythontestframeworkmain.py", line 5, in <module>
    SeTestSuite = test_example.TitleSpelling()
  File "C:Python27libunittestcase.py", line 191, in __init__
    (self.__class__, methodName))
ValueError: no such test method in <class 'test_example.TitleSpelling'>: runTest

SeTestSuite = unittest.defaultTestLoader.discover(start_dir='.')

# if your line didn't work
unittest.TextTestRunner(verbosity=2).run(unittest.TestSuite(SeTestSuite))