From f1adc5866a77d9ed6e4b45bf277c38f2c6e90fd4 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 17 Jul 2023 19:50:47 +0900
Subject: [PATCH] Fix up to require objspace

---
 test/ruby/test_process.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 988618ecb8..ed72279689 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -2690,11 +2690,11 @@ EOS
 
   def test_warmup_promote_all_objects_to_oldgen
     assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
+    require 'objspace'
     begin;
       obj = Object.new
 
-      Process.warmup
-      refute_include(ObjectSpace.dump(obj), '"old":true')
+      assert_not_include(ObjectSpace.dump(obj), '"old":true')
       Process.warmup
       assert_include(ObjectSpace.dump(obj), '"old":true')
     end;