https://bugs.gentoo.org/912063
https://github.com/svenfuchs/test_declarative/pull/24

From ef9561b703990a846aa49c0f4d164009b355f0cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@redhat.com>
Date: Tue, 22 Aug 2023 16:32:34 +0200
Subject: [PATCH] Use Minitest::Test as a test runner

The Minitest::Unit is deprecated since Minitest 5.0 and it was recenlty
put behind environment variable:

https://github.com/minitest/minitest/commit/a2c6c18570f6f0a1bf6af70fe3b6d9599a13fdd6
---
 test/test_declarative_test.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/test_declarative_test.rb b/test/test_declarative_test.rb
index 6ef4220..a3ab0ae 100644
--- a/test/test_declarative_test.rb
+++ b/test/test_declarative_test.rb
@@ -13,7 +13,7 @@ def gemfile_name
   # Minitest >= 5
   require 'minitest/autorun'
   TEST_CASE = Minitest::Test
-  RUNNER = Minitest::Unit
+  RUNNER = Minitest::Test
 when 'Gemfile.minitest4'
   # Minitest < 5
   require 'minitest/autorun'