def METHOD_NAME(self):
    config = textwrap.dedent("""\
            from otherpackage.othermodule import port
            c = BuildmasterConfig = {}
            c['schedulers'] = []
            c['builders'] = []
            c['workers'] = []
            c['protocols'] = {'pb': {'port': 9989}}
            """)
    other_files = {
        ('otherpackage', '__init__.py'): '',
        ('otherpackage', 'othermodule.py'): 'port = 9989',
    }
    self.do_test_load(config=config, other_files=other_files)