3 files changed, 4 insertions, 4 deletions
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index 4257110950..90cb3ef027 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1874,7 +1874,7 @@ class TestProcess < Test::Unit::TestCase
     end
 
     def test_daemon_noclose
-      pend "macOS 15 beta is not working with this test" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+      pend "macOS 15 beta is not working with this test" if macos?(15)
 
       data = IO.popen("-", "r+") do |f|
         break f.read if f
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 4d1a096298..f82861b8ce 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -876,7 +876,7 @@ class TestRubyOptions < Test::Unit::TestCase
   end
 
   def assert_segv(args, message=nil, list: SEGVTest::ExpectedStderrList, **opt, &block)
-    pend "macOS 15 beta is not working with this assertion" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+    pend "macOS 15 beta is not working with this assertion" if macos?(15)
 
     # We want YJIT to be enabled in the subprocess if it's enabled for us
     # so that the Ruby description matches.
@@ -921,7 +921,7 @@ class TestRubyOptions < Test::Unit::TestCase
   end
 
   def assert_crash_report(path, cmd = nil, &block)
-    pend "macOS 15 beta is not working with this assertion" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+    pend "macOS 15 beta is not working with this assertion" if macos?(15)
 
     Dir.mktmpdir("ruby_crash_report") do |dir|
       list = SEGVTest::ExpectedStderrList
diff --git a/test/ruby/test_vm_dump.rb b/test/ruby/test_vm_dump.rb
index 86d89adb96..22afee7a24 100644
--- a/test/ruby/test_vm_dump.rb
+++ b/test/ruby/test_vm_dump.rb
@@ -5,7 +5,7 @@ return unless /darwin/ =~ RUBY_PLATFORM
 
 class TestVMDump < Test::Unit::TestCase
   def assert_darwin_vm_dump_works(args, timeout=nil)
-    pend "macOS 15 beta is not working with this assertion" if /darwin/ =~ RUBY_PLATFORM && /15/ =~ `sw_vers -productVersion`
+    pend "macOS 15 beta is not working with this assertion" if macos?(15)
 
     assert_in_out_err(args, "", [], /^\[IMPORTANT\]/, timeout: timeout || 300)
   end