From 98dafd3746dcf141ac8b5906f26e69e9a140ff5d Mon Sep 17 00:00:00 2001
From: Marc Philipp <mail@marcphilipp.de>
Date: Mon, 23 Sep 2024 08:05:09 +0200
Subject: [PATCH] Reduce flakiness

(cherry picked from commit eba01d8de45ff1b160ab03facf88ef204798f069)
---
 .../ForkJoinPoolHierarchicalTestExecutorServiceTests.java     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/platform-tests/src/test/java/org/junit/platform/engine/support/hierarchical/ForkJoinPoolHierarchicalTestExecutorServiceTests.java b/platform-tests/src/test/java/org/junit/platform/engine/support/hierarchical/ForkJoinPoolHierarchicalTestExecutorServiceTests.java
index 2e0648df63bf..46c5bcc6cafe 100644
--- a/platform-tests/src/test/java/org/junit/platform/engine/support/hierarchical/ForkJoinPoolHierarchicalTestExecutorServiceTests.java
+++ b/platform-tests/src/test/java/org/junit/platform/engine/support/hierarchical/ForkJoinPoolHierarchicalTestExecutorServiceTests.java
@@ -228,7 +228,9 @@ void defersTasksWithIncompatibleLocksOnMultipleLevels() throws Throwable {
 		});
 
 		assertThat(deferredTasks) //
-				.containsExactly(incompatibleTask1, incompatibleTask2, incompatibleTask1); // incompatibleTask1 may be deferred multiple times
+				.startsWith(incompatibleTask1, incompatibleTask2) //
+				.containsOnly(incompatibleTask1, incompatibleTask2) // incompatibleTask1 may be deferred multiple times
+				.containsOnlyOnce(incompatibleTask2);
 		assertThat(taskFactory.tasks) //
 				.hasSize(3 + 3 + 2) //
 				.values().extracting(it -> it.completion.isDone()).containsOnly(true);