some travis integration

.travis.yml

@@ -2,6 +2,7 @@ language: python
 matrix:
   include:
   - python: "2.7"
+  - python: "3.5"
   - python: "3.6"
 
-script: python -m unittest tests/test_validator.py
+script: python -m unittest tests.test_validator

tests/test_validator.py

@@ -389,5 +389,6 @@ class TestValidator(unittest.TestCase):
         validator = Validator('SK0407062531')
         self.assertFalse(validator.validate())
 
-if __name__ == '__main__':
-    unittest.main()
+
+suite = unittest.TestLoader().loadTestsFromTestCase(TestValidator)
+unittest.TextTestRunner(verbosity=2).run(suite)