From 149cc3943a15fcb7b678ad77a2112ac3e74bac01 Mon Sep 17 00:00:00 2001
From: Francisco Solla <fsolla@pm.me>
Date: Tue, 25 Aug 2026 08:36:42 -0300
Subject: [PATCH] =?UTF-8?q?test(int):=20retry=20once=20=E2=80=94=20gate=20?=
 =?UTF-8?q?flaka=20sob=20conten=C3=A7=C3=A3o=20paralela=20de=20DB=20em=20h?=
 =?UTF-8?q?igh-core=20(C113/C115)?=
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---
 vitest.config.mts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/vitest.config.mts b/vitest.config.mts
index b7a6e89f..147fae0f 100644
--- a/vitest.config.mts
+++ b/vitest.config.mts
@@ -40,5 +40,13 @@ export default defineConfig({
     // beats per-test overrides. Genuinely hung tests still fail — just 10s
     // later. The unit suite keeps the 5s default.
     testTimeout: 15_000,
+    // High-core local machines run up to 8 parallel forks against one
+    // Postgres (gate:ci, OPS98). Cross-file DB contention makes a few
+    // wall-clock-sensitive specs flake intermittently (C113/C115 calendar
+    // family) even at low system load — each run picks different victims.
+    // One retry gives the contended transaction a second chance without
+    // hiding real failures (CI on 2–4 vCPU rarely needs it; the unit suite
+    // stays at 0 retries).
+    retry: 1,
   },
 })