(my new) failing ActiveRecord test

gistfile1.diff

diff --git a/activerecord/test/cases/nested_attributes_test.rb b/activerecord/test/cases/nested_attributes_test.rb
index 3f08f9e..fe0d2cc 100644
--- a/activerecord/test/cases/nested_attributes_test.rb
+++ b/activerecord/test/cases/nested_attributes_test.rb
@@ -1000,6 +1000,12 @@ class TestHasOneAutosaveAssociationWhichItselfHasAutosaveAssociations < ActiveRe
     ShipPart.create!(:ship => @ship, :name => "Stern")
     assert_no_queries { @pirate.valid? }
   end
+
+  test "not sure yet" do
+    @pirate.attributes = {:ship_attributes => {:id => @ship.id, :parts_attributes => [{:id => @part.id, :trinkets_attributes => [{:id => @part.id, :name => "changed"}]}]}}
+    # puts @pirate.ship.parts.inspect
+    assert_equal "changed", @pirate.ship.parts.first.trinkets.first.name
+  end
 end

This test fails, except when like 12 is not commented out. Something to do with calling inspect or puts'ing that thing causes AR to correctly use what's in memory, rather than (I believe) loading from the database.