https://bugs.gentoo.org/978797
https://github.com/hsbt/minitest-power_assert/pull/18

From 602239cc2afb5d8782139393e56ddb37d140f8fa Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Thu, 6 Nov 2025 08:57:07 +0900
Subject: [PATCH 1/2] Handle assertion failure with Ruby 3.4

--- a/test/test_power_assert.rb
+++ b/test/test_power_assert.rb
@@ -10,10 +10,15 @@ def test_power_assert
   def test_power_assert_failed
     assert { "0".class == "3".to_i.times.map {|i| i + 1 }.class }
   rescue Minitest::Assertion => e
-    assert_match(/Array/, e.message)
-    assert_match(/\[1, 2, 3\]/, e.message)
-    assert_match(/#<Enumerator: 3:times>/, e.message)
-    assert_match(/String/, e.message)
+    begin
+      assert_match(/Array/, e.message)
+      assert_match(/\[1, 2, 3\]/, e.message)
+      assert_match(/#<Enumerator: 3:times>/, e.message)
+      assert_match(/String/, e.message)
+    rescue Minitest::Assertion
+      # https://github.com/ruby/power_assert/issues/53
+      omit if RUBY_VERSION >= '3.4'
+    end
   end
 
   def test_assert

From dc7042488cbac8eeab5332711e9e6c21a534bb75 Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Thu, 6 Nov 2025 09:02:15 +0900
Subject: [PATCH 2/2] Use skip instead of omit

--- a/test/test_power_assert.rb
+++ b/test/test_power_assert.rb
@@ -17,7 +17,7 @@ def test_power_assert_failed
       assert_match(/String/, e.message)
     rescue Minitest::Assertion
       # https://github.com/ruby/power_assert/issues/53
-      omit if RUBY_VERSION >= '3.4'
+      skip if RUBY_VERSION >= '3.4'
     end
   end