From 9d22a18a3a328b1c121a645275e48ae0679eab53 Mon Sep 17 00:00:00 2001
From: Brian Neumann-Fopiano <mypsn1550@gmail.com>
Date: Tue, 8 Sep 2026 04:06:16 -0400
Subject: [PATCH] Close route off the caller thread

- Complete the async route close on the worker executor so the cross-thread assertion no longer depends on whether the first stage finished before the handler was attached
---
 .../engine/history/GenerationHistoryRuntimeRouterTest.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/src/test/java/art/arcane/iris/engine/history/GenerationHistoryRuntimeRouterTest.java b/core/src/test/java/art/arcane/iris/engine/history/GenerationHistoryRuntimeRouterTest.java
index 56b43f93c..c65a26820 100644
--- a/core/src/test/java/art/arcane/iris/engine/history/GenerationHistoryRuntimeRouterTest.java
+++ b/core/src/test/java/art/arcane/iris/engine/history/GenerationHistoryRuntimeRouterTest.java
@@ -723,10 +723,10 @@ public final class GenerationHistoryRuntimeRouterTest {
                     assertThrows(IllegalStateException.class, route::close);
                 }
             }, executor);
-            CompletableFuture<Void> completion = work.whenComplete((ignored, failure) -> {
+            CompletableFuture<Void> completion = work.whenCompleteAsync((ignored, failure) -> {
                 completionThread.set(Thread.currentThread());
                 route.close();
-            });
+            }, executor);
             completion.get(5L, TimeUnit.SECONDS);
         } finally {
             executor.shutdownNow();