Support parameters provided at the 'path' level

test-app/spec/integration/blogs_spec.rb

@@ -41,12 +41,13 @@ describe 'Blogs API', type: :request, swagger_doc: 'v1/swagger.json' do
   end
 
   path '/blogs/{id}' do
+    parameter name: :id, :in => :path, :type => :string
+
     get 'Retrieves a blog' do
       tags 'Blogs'
       description 'Retrieves a specific blog by id'
       operationId 'getBlog'
       produces 'application/json'
-      parameter name: :id, :in => :path, :type => :string
 
       response '200', 'blog found' do
         schema '$ref' => '#/definitions/blog'