From 1c03026ea3cd90cbc37eb4c612aca3c6129032c8 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Wed, 30 Oct 2019 21:38:55 +0900
Subject: Try to run assert_output_unchanged with racc tests

---
 tool/lib/test/unit/core_assertions.rb | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'tool/lib')

diff --git a/tool/lib/test/unit/core_assertions.rb b/tool/lib/test/unit/core_assertions.rb
index 1c4a254dd0..63d79ae2aa 100644
--- a/tool/lib/test/unit/core_assertions.rb
+++ b/tool/lib/test/unit/core_assertions.rb
@@ -28,6 +28,9 @@ module Test
         require_relative '../../envutil'
         # for ruby core testing
         include MiniTest::Assertions
+
+        # Compatibility hack for assert_raise
+        Test::Unit::AssertionFailedError = MiniTest::Assertion
       else
         module MiniTest
           class Assertion < Exception; end
-- 
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