'The summary of a successful run with skips indicates that the test
suite passed and includes the number of skips.'

def test_summary(self):

    self.result.addSkip(self.test, 'some    reason')
    self.result.done()
    output = self.stream.getvalue().splitlines()[(-1)]
    prefix = 'PASSED    '
    self.assertTrue(output.startswith(prefix))
    self.assertEqual(output[len(prefix):].strip(), '(skips=1)')
