From 2373feade50c5d32dad253ad0651a6a8c7c2a8ac Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 27 Nov 2021 18:57:29 +0900
Subject: [PATCH] For parallel test

---
 spec/default.mspec | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spec/default.mspec b/spec/default.mspec
index f97bcc690e..4cdd631675 100644
--- a/spec/default.mspec
+++ b/spec/default.mspec
@@ -105,7 +105,8 @@ class DottedFormatter
     end
 
     def load(*)
-      print "#{MSpec.file.delete_prefix(BASE)}: "
+      file = MSpec.file || MSpec.files_array.first
+      print "#{file.delete_prefix(BASE)}: "
       @loaded = true
     end