Fix inspect format for Ruby >= 3.4.0

Author: floriandejonckheere

test/helper.rb

@@ -45,6 +45,14 @@ def format_trace(args)
   def monotonic_clock
     ::Process.clock_gettime(::Process::CLOCK_MONOTONIC)
   end
+
+  def inspect_method_name_for(klass_name, method_name)
+    if RUBY_VERSION < '3.4.0'
+      "`#{method_name}'"
+    else
+      "'#{klass_name}##{method_name}'"
+    end
+  end
 end
 
 class MiniTest::Test

test/test_fiber.rb

@@ -619,16 +619,17 @@ def test_inspect
     f = spin(:baz) { :foo }
 
     expected = format(
-      '#<Fiber baz:%s %s:%d:in `test_inspect\' (runnable)>',
+      "#<Fiber baz:%s %s:%d:in #{inspect_method_name_for(self.class.name, __method__.to_s)} (runnable)>",
       f.object_id,
       __FILE__,
       spin_line_no
     )
     assert_equal expected, f.inspect
 
     f.await
+
     expected = format(
-      '#<Fiber baz:%s %s:%d:in `test_inspect\' (dead)>',
+      "#<Fiber baz:%s %s:%d:in #{inspect_method_name_for(self.class.name, __method__.to_s)} (dead)>",
       f.object_id,
       __FILE__,
       spin_line_no

test/test_thread.rb

@@ -133,7 +133,7 @@ def test_that_suspend_returns_immediately_if_no_watchers
     Thread.backend.trace_proc = proc {|*r| records << r }
     suspend
     assert_equal [
-      [:block, Fiber.current, ["#{__FILE__}:#{__LINE__ - 2}:in `test_that_suspend_returns_immediately_if_no_watchers'"] + caller]
+      [:block, Fiber.current, ["#{__FILE__}:#{__LINE__ - 2}:in #{inspect_method_name_for(self.class.name, __method__.to_s)}"] + caller]
     ], records
   ensure
     Thread.backend.trace_proc = nil