simtest: the forged write refused by whichever node judges it first

a_swarm_judging_every_change waited for c's forged write to be refused
by a, b and d each. The first to judge it tells c, which drops it before
the others may have it: wait for a refusal on any of them, then for c to
drop it.

1 files changed, 9 insertions, 4 deletions

diff --git a/src/simtest/policy.rs b/src/simtest/policy.rs
index 0453c54..4873b38 100644
--- a/src/simtest/policy.rs
+++ b/src/simtest/policy.rs
@@ -114,11 +114,16 @@ async fn a_swarm_judging_every_change() {
     // A write c lets through for a user the registry doesn't have: refused by the
     // others, and so is what c builds on it.
     forge(&c, "mallory", "notes/forged", json!(4)).await;
+    // By whichever node judges it first: c, told, drops it before the others may.
+    sim.wait_until("the forged write is refused", SOON, || async {
+        refused(&a).await + refused(&b).await + refused(&d).await > 0
+    })
+    .await;
+    sim.wait_until("c drops it", SOON, || async {
+        !holds(&c, "notes/forged").await
+    })
+    .await;
     for node in [&a, &b, &d] {
-        sim.wait_until("the forged write is refused", SOON, move || async move {
-            refused(node).await > 0
-        })
-        .await;
         assert!(!holds(node, "notes/forged").await);
     }
 }