From a7c8fc3bffdffdd259d71de7ea0fc191ca01f1c4 Mon Sep 17 00:00:00 2001
From: Jeppe Bundgaard <jb@truckwash.dk>
Date: Mon, 6 Jul 2026 14:52:30 +0200
Subject: [PATCH] Reduce PR E2E runner pressure

---
 .github/workflows/tests.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 33fd7c8b..d1aa4113 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -105,13 +105,14 @@ jobs:
     timeout-minutes: 30
     strategy:
       fail-fast: false
-      max-parallel: 4
+      max-parallel: 1
       matrix:
         suite: [core, changed]
         project: [chromium-desktop, chromium-mobile]
     env:
       PLAYWRIGHT_ARTIFACT_NAMESPACE: e2e-pr-${{ matrix.suite }}-${{ matrix.project }}
       PLAYWRIGHT_REPORTER_MODE: line-html
+      PLAYWRIGHT_WORKERS: 1
     steps:
       - name: Repair self-hosted workspace permissions
         shell: bash
@@ -223,6 +224,7 @@ jobs:
             --env CI="${CI:-}" \
             --env PLAYWRIGHT_ARTIFACT_NAMESPACE="$PLAYWRIGHT_ARTIFACT_NAMESPACE" \
             --env PLAYWRIGHT_REPORTER_MODE="$PLAYWRIGHT_REPORTER_MODE" \
+            --env PLAYWRIGHT_WORKERS="$PLAYWRIGHT_WORKERS" \
             --env PLAYWRIGHT_DEV_PORT="$playwright_dev_port" \
             --env MATRIX_SUITE="$MATRIX_SUITE" \
             --env MATRIX_PROJECT="$MATRIX_PROJECT" \