Pend some tests because these are not working with macOS 15 and Xcode 16

spec/ruby/core/process/daemon_spec.rb

@@ -2,6 +2,9 @@ require_relative '../../spec_helper'
 require_relative 'fixtures/common'
 
 platform_is_not :windows do
+  # macOS 15 is not working this examples
+  return if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+
   describe :process_daemon_keep_stdio_open_false, shared: true do
     it "redirects stdout to /dev/null" do
       @daemon.invoke("keep_stdio_open_false_stdout", @object).should == ""

test/-ext-/bug_reporter/test_bug_reporter.rb

@@ -9,6 +9,8 @@ class TestBugReporter < Test::Unit::TestCase
   end
 
   def test_bug_reporter_add
+    pend "macOS 15 is not working with this test" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+
     omit if ENV['RUBY_ON_BUG']
 
     description = RUBY_DESCRIPTION

test/ruby/test_process.rb

@@ -1837,6 +1837,8 @@ class TestProcess < Test::Unit::TestCase
     end
 
     def test_daemon_noclose
+      pend "macOS 15 is not working with this test" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+
       data = IO.popen("-", "r+") do |f|
         break f.read if f
         Process.daemon(false, true)

test/ruby/test_rubyoptions.rb

@@ -787,6 +787,8 @@ class TestRubyOptions < Test::Unit::TestCase
   end
 
   def assert_segv(args, message=nil)
+    pend "macOS 15 is not working with this assertion" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+
     omit if ENV['RUBY_ON_BUG']
 
     # We want YJIT to be enabled in the subprocess if it's enabled for us

test/ruby/test_vm_dump.rb

@@ -3,6 +3,8 @@ require 'test/unit'
 
 class TestVMDump < Test::Unit::TestCase
   def assert_darwin_vm_dump_works(args)
+    pend "macOS 15 is not working with this assertion" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+
     omit if RUBY_PLATFORM !~ /darwin/
     assert_in_out_err(args, "", [], /^\[IMPORTANT\]/)
   end