class Meta(type):
    """Thangz."""

    def __new__(mcl, name, bases, cdict):
        ret = type.__new__(mcl, name, bases, cdict)
        setattr(ret, 'is_testsuite', name.endswith('TestCase'))
        setattr(ret, 'is_boring', name.startswith('SomeClass'))
        return ret


class SomeClass(object):
    __metaclass__ = Meta


class MyTestCase(object):
    __metaclass__ = Meta


class SomeClassBoringTestCase(object):
    __metaclass__ = Meta


assert SomeClass.is_boring
assert MyTestCase.is_testsuite
assert all([
    SomeClassBoringTestCase.is_boring, SomeClassBoringTestCase.is_testsuite
])