'L{runner.TestHolder} implements L{ITestCase}.'

def test_holderImplementsITestCase(self):

    self.assertIdentical(self.holder, ITestCase(self.holder))
    self.assertTrue(verifyObject(ITestCase, self.holder), ('%r    claims    to    provide    %r    but    does    not    do    so    correctly.' % (self.holder, ITestCase)))
