@property
    def is_link_local(self):
        return self in IPv6Network('fe80::/10')
Find the TestCase that already exists for `duplicate` and update it.
dataset/ETHPy150Open anandology/pyjamas/pyjs/src/pyjs/lib/ipaddr.py/_BaseV6.is_link_local--crossover with--dataset/ETHPy150Open dropbox/changes/changes/models/testresult.py/_record_duplicate_testcase