`audit_runtime_facade_stops_empty_replay_workers` called the stop path and checked nothing, the same shape as the notify facade test in the previous commit. It now asserts the worker manager is empty afterwards and that a second call — which shutdown paths make — stays harmless.
The two heal timestamp tests bound their fields to `_`. Both timestamps come from `SystemTime::now().duration_since(UNIX_EPOCH).unwrap_or_default()`, so a pre-epoch clock yields 0; binding to `_` could not tell that apart from a real reading, which is precisely what the tests said they were guarding. They now require the value to be past 2020-01-01, and `last_update` not to predate `start_time`.
`test_config_parsing_with_multiple_instances` is left as it was — see the issue comment. Asserting on it turned up something bigger than a missing assertion.
Refs backlog#1836
Zhengchao An
1741f79d7d