https://git.ruby-lang.org/ruby.git/commit/?id=b5a0db8be0

From b5a0db8be0086f2d245fd77fd48f89e359d71312 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Rodr=C3=ADguez?= <deivid.rodriguez@r...>
Date: Fri, 27 Mar 2020 12:18:35 +0100
Subject: [rubygems/rubygems] Remove unnecessary code from remote fetcher tests

This code is not necessary and has the bad side effect of causing
test failures in cascade once a single test inside the file fails.

See https://github.com/rubygems/rubygems/runs/538978838 for an example.

https://github.com/rubygems/rubygems/commit/2291d32915

diff --git a/test/rubygems/test_gem_remote_fetcher.rb b/test/rubygems/test_gem_remote_fetcher.rb
index c72bffb..c8c3c2f 100644
--- a/test/rubygems/test_gem_remote_fetcher.rb
+++ b/test/rubygems/test_gem_remote_fetcher.rb
@@ -108,10 +108,7 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg== https://github.com/ruby/ruby/blob/trunk/test/rubygems/test_gem_remote_fetcher.rb#L108
     @server_uri = base_server_uri + "/yaml"
     @server_z_uri = base_server_uri + "/yaml.Z"
 
-    # REFACTOR: copied from test_gem_dependency_installer.rb
-    @gems_dir = File.join @tempdir, 'gems'
     @cache_dir = File.join @gemhome, "cache"
-    FileUtils.mkdir @gems_dir
 
     # TODO: why does the remote fetcher need it written to disk?
     @a1, @a1_gem = util_gem 'a', '1' do |s|
-- 
cgit v0.10.2


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