def test_reindex_hh_dupliate_key_error():
hh = Household('1')
for j in ['1', 'test_1']:
hh.add(Person(j))
with pytest.raises(KeyError):
hh.reindex("test_")
def test_reindex_hh():
hh = Household('1')
for j in ['1', '2']:
hh.add(Person(j))
hh.reindex("test_")
assert set(hh.people) == {'test_1', 'test_2'}