Test for annotation wrapper

spec/annotate/annotate_models_spec.rb

@@ -455,6 +455,11 @@ end
       expect(File.read(@model_file_name)).to eq("#{@file_content}\n#{@schema_info}")
     end
 
+    it 'should wrap annotation if wrapper is specified' do
+      annotate_one_file :wrapper_beg => 'START', :wrapper_end => 'END'
+      expect(File.read(@model_file_name)).to eq("START\n#{@schema_info}\nEND\n#{@file_content}")
+    end
+
     describe "with existing annotation => :before" do
       before do
         annotate_one_file :position => :before