Skip test_crash_report_pipe with macOS 15

Author: hsbt

test/ruby/test_rubyoptions.rb

@@ -939,6 +939,8 @@ def test_crash_report_script_path
   end
 
   def test_crash_report_pipe
+    pend "macOS 15 is not working with this assertion" if macos?(15)
+
     if File.executable?(echo = "/bin/echo")
     elsif /mswin|ming/ =~ RUBY_PLATFORM
       echo = "echo"