https://git.ruby-lang.org/ruby.git/commit/?id=56884b64de

From 56884b64deeeffb6400060523f8b85211ec99d78 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@g...>
Date: Thu, 3 Nov 2022 10:41:57 -0700
Subject: [ruby/irb] Require rubygems to run the test alone on ruby/ruby

`Gem` is not undefined on test-all

https://github.com/ruby/irb/commit/08ac803d61
---
 test/irb/test_ruby_lex.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/irb/test_ruby_lex.rb b/test/irb/test_ruby_lex.rb
index dcc998a24e..0f7939d2e8 100644
--- a/test/irb/test_ruby_lex.rb
+++ b/test/irb/test_ruby_lex.rb
@@ -1,5 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/test/irb/test_ruby_lex.rb#L1
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 require 'irb'
+require 'rubygems'
 require 'test/unit'
 require 'ostruct'
 
-- 
cgit v1.2.3


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