Merge pull request #26830 from headius/mask_forking_fsevent_test_on_jruby

Mask forking filesystem event on JRuby.

activesupport/test/evented_file_update_checker_test.rb

@@ -36,6 +36,8 @@ def rm_f(files)
   end
 
   test "notifies forked processes" do
+    jruby_skip "Forking not available on JRuby"
+
     FileUtils.touch(tmpfiles)
 
     checker = new_checker(tmpfiles) {}