From c1b42f2fccd4a82f00fa3a177368a34534b4155e Mon Sep 17 00:00:00 2001
From: bvolpato <brunocvcunha@gmail.com>
Date: Wed, 28 Oct 2026 01:46:52 -0400
Subject: [PATCH] [Twister2] Run local validation methods sequentially

---
 runners/twister2/build.gradle | 1 +
 1 file changed, 1 insertion(+)

diff --git a/runners/twister2/build.gradle b/runners/twister2/build.gradle
index 8817fe1f435f..582fe569fd5c 100644
--- a/runners/twister2/build.gradle
+++ b/runners/twister2/build.gradle
@@ -73,6 +73,7 @@ def validatesRunnerBatch = tasks.register("validatesRunnerBatch", Test) {
             "--runner=Twister2TestRunner",
     ])
     systemProperty "beamTestPipelineOptions", pipelineOptions
+    systemProperty "beam.validatesRunner.parallelThreads", "1"
     classpath = configurations.validatesRunner
     testClassesDirs += files(project(":sdks:java:core").sourceSets.test.output.classesDirs)
     testClassesDirs += files(project.sourceSets.test.output.classesDirs)