flacky ci failure for `test_fetchinvoice_disconnected_reply`

[vincenzopalazzo]

For future reference

===End Flaky Test Report===
=========================== short test summary info ============================
FAILED tests/test_pay.py::test_fetchinvoice_disconnected_reply - AssertionError: assert {'peers': [{'id': '0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518', 'connected': True, 'num_channels': 0, 'netaddr': ['127.0.0.1:41759'], 'remote_addr': '127.0.0.1:35838', 'features': '08a0880a8a59a1'}]} == {'peers': []}
  Differing items:
  {'peers': [{'connected': True, 'features': '08a0880a8a59a1', 'id': '0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518', 'netaddr': ['127.0.0.1:41759'], ...}]} != {'peers': []}
  Full diff:
    {
  -  'peers': [],
  +  'peers': [{'connected': True,
  +             'features': '08a0880a8a59a1',
  +             'id': '0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518',
  +             'netaddr': ['127.0.0.1:41759'],
  +             'num_channels': 0,
  +             'remote_addr': '127.0.0.1:35838'}],
    }
============= 1 failed, 73 passed, 8 skipped in 1850.69s (0:30:50) =============

[ddustin]

It looks like test_fetchinvoice and sometimes test_fetchinvoice_recurrence, test_injectpaymentonion_blindedpath and test_offers are failing on master