From 486b674e2a8437bacb00c48038c04aec420c47a0 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Thu, 9 Nov 2023 12:56:07 +0900
Subject: Do not allow test-all to load the bundled gems

This change prevents default gems from inadvertently depending on
bundled gems. This issue was discovered by being able to
`require "rbs"` from test/irb.
---
 test/runner.rb | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/test/runner.rb b/test/runner.rb
index 2f3267f6c3..f58647d7e3 100644
--- a/test/runner.rb
+++ b/test/runner.rb
@@ -1,16 +1,9 @@
 # frozen_string_literal: true
 
 # Should be done in rubygems test files?
-ENV["GEM_SKIP"] = "".freeze
+ENV["GEM_SKIP"] = ENV["GEM_HOME"] = ENV["GEM_PATH"] = "".freeze
 ENV.delete("RUBY_CODESIGN")
 
 Warning[:experimental] = false
 
-gem_path = [
-  File.realdirpath(".bundle"),
-  File.realdirpath("../.bundle", __dir__),
-]
-ENV["GEM_PATH"] = gem_path.join(File::PATH_SEPARATOR)
-ENV["GEM_HOME"] = gem_path.first
-
 require_relative '../tool/test/runner'
-- 
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