https://git.ruby-lang.org/ruby.git/commit/?id=a388e2554c

From a388e2554c9461e15adfd8bc2efa7da5716080f8 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@g...>
Date: Tue, 11 Aug 2020 23:54:23 +0900
Subject: [ruby/irb] Add require 'irb' to test separately

https://github.com/ruby/irb/commit/9e4423b6e1

diff --git a/test/irb/test_history.rb b/test/irb/test_history.rb
index bd03217..23242fa 100644
--- a/test/irb/test_history.rb
+++ b/test/irb/test_history.rb
@@ -1,5 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/test/irb/test_history.rb#L1
 # frozen_string_literal: false
 require 'test/unit'
+require 'irb'
 
 module TestIRB
   class TestHistory < Test::Unit::TestCase
-- 
cgit v0.10.2


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