diff --git a/spec/high_level_spec.rb b/spec/high_level_spec.rb
index <HASH>..<HASH> 100644
--- a/spec/high_level_spec.rb
+++ b/spec/high_level_spec.rb
@@ -35,8 +35,10 @@ describe "RR" do
       subject.first(1).second(2).third(3).should == 4
       mock(subject).first(1) {mock!.second(2) {mock!.third(3) {4}}}
       subject.first(1).second(2).third(3).should == 4
-#      mock(subject).first(1).mock!.second(2).mock!.third(3) {4}
-#      subject.first(1).second(2).third(3).should == 4
+      pending("the implementation #mock, #stub, and #dont_allow on DoubleDefinition") do
+        mock(subject).first(1).mock!.second(2).mock!.third(3) {4}
+        subject.first(1).second(2).third(3).should == 4
+      end
     end
     
     it 'allows branched chaining' do
Made terse chaining syntax spec pending.