From 2bfd21f75d14fbd37256f635201cde06cd8cc498 Mon Sep 17 00:00:00 2001
From: Charles Oliver Nutter <headius@headius.com>
Date: Wed, 6 Nov 2024 12:47:34 -0600
Subject: [PATCH] Don't run specs in parallel on MacOS

Parallel specs may cause large skews in timing-sensitive specs
like for Kernel#sleep.
---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f4000964d..e9e8051ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
       env:
         CHECK_LEAKS: true
       # Use a larger timeout on macOS since it seems to have less reliable performance
-      run: ../mspec/bin/mspec -j --timeout 90
+      run: ../mspec/bin/mspec --timeout 90
 
     - name: Run specs (Windows)
       if: matrix.os == 'windows'