class typing.SupportsInt An ABC with one abstract method __int__.

test.support.make_bad_fd() Create an invalid file descriptor by opening and closing a temporary file, and returning its descriptor

failureException This class attribute gives the exception raised by the test method. If a test framework needs to use a specialized

doctest.testmod(m=None, name=None, globs=None, verbose=None, report=True, optionflags=0, extraglobs=None, raise_on_error=False, exclude_empty=False)

unittest.removeResult(result) Remove a registered result. Once a result has been removed then stop() will no longer

assertNotIn(first, second, msg=None) Test that first is (or is not) in second.

expectedFailures A list containing 2-tuples of TestCase instances and strings holding formatted tracebacks. Each

startTest(test) Called when the test case test is about to be run.

addSubTest(test, subtest, outcome) Called when a subtest finishes. test is the test case corresponding to the test

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