test_load_log_compaction fails sometimes on CI

```
---- node::manager::tests::test_load_log_compaction stdout ----
thread 'node::manager::tests::test_load_log_compaction' panicked at 'called `Option::unwrap()` on a `None` value', spartan/node/manager.rs:211:18
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace```