-suite = unittest.TestSuite()
-suite.addTest(doctest.DocTestSuite(cones))
-suite.addTest(doctest.DocTestSuite(matrices))
-suite.addTest(doctest.DocTestSuite(symmetric_linear_game))
-
-runner = unittest.TextTestRunner(verbosity=2)
+suite = TestSuite()
+suite.addTest(DocTestSuite(cones))
+suite.addTest(DocTestSuite(errors))
+suite.addTest(DocTestSuite(matrices))
+suite.addTest(DocTestSuite(symmetric_linear_game))
+suite.addTest(TestLoader().loadTestsFromModule(symmetric_linear_game))
+runner = TextTestRunner(verbosity=2)