From c14755e9ca8f2cf8fea5b0232d846bd57193ea53 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Thu, 3 Oct 2019 18:32:21 +0900
Subject: [PATCH] [ruby/fileutils] improve the compatibility of minitest

https://github.com/ruby/fileutils/commit/f16f5a0dd6
---
 tool/lib/test/unit/core_assertions.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tool/lib/test/unit/core_assertions.rb b/tool/lib/test/unit/core_assertions.rb
index f3cb32a7e6..1c4a254dd0 100644
--- a/tool/lib/test/unit/core_assertions.rb
+++ b/tool/lib/test/unit/core_assertions.rb
@@ -30,7 +30,8 @@ module Test
         include MiniTest::Assertions
       else
         module MiniTest
-          class Skip; end
+          class Assertion < Exception; end
+          class Skip < Assertion; end
         end
 
         require 'pp'