From c4e090def134f9b109991b74c027648564963763 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 29 Oct 2025 10:06:02 +0900
Subject: test_commit_email.rb: Clean up temporary files

---
 tool/test/test_commit_email.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tool/test/test_commit_email.rb b/tool/test/test_commit_email.rb
index b948987ed9..988a26cc2e 100644
--- a/tool/test/test_commit_email.rb
+++ b/tool/test/test_commit_email.rb
@@ -29,6 +29,12 @@ class TestCommitEmail < Test::Unit::TestCase
     @commit_email = File.expand_path('../../tool/commit-email.rb', __dir__)
   end
 
+  def teardown
+    File.unlink(@sendmail)
+    Dir.rmdir(File.dirname(@sendmail))
+    FileUtils.rm_rf(@ruby)
+  end
+
   def test_sendmail_encoding
     omit 'the sendmail script does not work on windows' if windows?
 
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