[ruby/pp] [Feature #21389] Update rubyspec

Author: nobu

spec/ruby/core/set/pretty_print_cycle_spec.rb

@@ -3,7 +3,12 @@
 describe "Set#pretty_print_cycle" do
   it "passes the 'pretty print' representation of a self-referencing Set to the pretty print writer" do
     pp = mock("PrettyPrint")
-    pp.should_receive(:text).with("#<Set: {...}>")
+    ruby_version_is(""..."3.5") do
+      pp.should_receive(:text).with("#<Set: {...}>")
+    end
+    ruby_version_is("3.5") do
+      pp.should_receive(:text).with("Set[...]")
+    end
     Set[1, 2, 3].pretty_print_cycle(pp)
   end
 end