修改testtools框架，将测试结果显示用例注释名字

class TestCase(unittest.TestCase):
"""Extensions to the basic TestCase. :ivar exception_handlers: Exceptions to catch from setUp, runTest and
tearDown. This list is able to be modified at any time and consists of
(exception_class, handler(case, result, exception_value)) pairs.
:ivar force_failure: Force testtools.RunTest to fail the test after the
test has completed.
:cvar run_tests_with: A factory to make the ``RunTest`` to run tests with.
Defaults to ``RunTest``. The factory is expected to take a test case
and an optional list of exception handlers.
"""......
......def shortDescription(self):
return self.id()

def __init__(self, *args, **kwargs):
"""Construct a TestCase. :param testMethod: The name of the method to run.
:keyword runTest: Optional class to use to execute the test. If not
supplied ``RunTest`` is used. The instance to be used is created
when run() is invoked, so will be fresh each time. Overrides
``TestCase.run_tests_with`` if given.
"""
runTest = kwargs.pop('runTest', None)
super(TestCase, self).__init__(*args, **kwargs)
self._reset()
test_method = self._get_test_method()
if runTest is None:
runTest = getattr(
test_method, '_run_test_with', self.run_tests_with)
self.__RunTest = runTest
self._testMethodDoc = test_method.__doc__

def shortDescription(self):
#return self.id()
doc = self._testMethodDoc
return doc and doc.split("\n")[0].strip() or None

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FAIL: i dont konw
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_StringException: Traceback (most recent call last):
File "test_case\testtools_learn.py", line 34, in te
st_case_2
assert 2 == 3
AssertionError----------------------------------------------------------------------