swarm-controller: fix the agent-limits test after AppState gained reviews

60ea7fdc0 added AppState.reviews and ebeef4b84 added a test AppState literal
without it; the two merged independently.

swarm-controller/src/agent_limits.rs

@@ -457,6 +457,7 @@ mod tests {
             forge: Arc::default(),
             create_gate: Arc::default(),
             accounts: crate::linked_accounts::Accounts::Fake(Arc::default()),
+            reviews: Arc::default(),
             try_outs: crate::review_classifier::TryOuts::default(),
         }
     }