Method doesnt_duplicate_parent_dir_addition

tests/loader.py:54–59

(self)

        _BasicLoader().load("namespacing")

    def doesnt_duplicate_parent_dir_addition(self):
        _BasicLoader().load("namespacing")
        _BasicLoader().load("namespacing")
        # If the bug is present, this will be 2 at least (and often more, since
        # other tests will pollute it (!).
        assert sys.path.count(support) == 1

    def can_load_package(self):
        loader = _BasicLoader()