Index: test/ruby/test_process.rb
===================================================================
--- test/ruby/test_process.rb	(revision 37127)
+++ test/ruby/test_process.rb	(working copy)
@@ -1501,6 +1501,7 @@
   end
 
   def test_execopts_gid
+    skip "Process.groups not implemented on Windows platform" if windows?
     feature6975 = '[ruby-core:47414]'
 
     [30000, *Process.groups.map {|g| g = Etc.getgrgid(g); [g.name, g.gid]}].each do |group, gid|