diff --git a/examples/service_auth.ex b/examples/service_auth.ex
index c783ad0..652567a 100644
--- a/examples/service_auth.ex
+++ b/examples/service_auth.ex
@@ -49,7 +49,6 @@ defmodule ServiceAuthExample do
     conn |> send_resp(200, "test")
   end
 
-  # TODO: why did body not validate
   procedure Com.Example.CreatePost, require_auth: true do
     IO.inspect(conn.assigns, label: "createPost")
     conn |> send_resp(200, "test")
diff --git a/test/atex/lexicon_test.exs b/test/atex/lexicon_test.exs
index 36a67c7..8e66f79 100644
--- a/test/atex/lexicon_test.exs
+++ b/test/atex/lexicon_test.exs
@@ -14,6 +14,7 @@ defmodule Atex.LexiconTest do
     end
 
     test "Input submodule exports from_json/1" do
+      Code.ensure_loaded!(Lexicon.Test.CreatePost.Input)
       assert function_exported?(Lexicon.Test.CreatePost.Input, :from_json, 1)
     end
 
@@ -37,6 +38,7 @@ defmodule Atex.LexiconTest do
     end
 
     test "Output submodule exports from_json/1" do
+      Code.ensure_loaded!(Lexicon.Test.GetPost.Output)
       assert function_exported?(Lexicon.Test.GetPost.Output, :from_json, 1)
     end
 
@@ -64,6 +66,7 @@ defmodule Atex.LexiconTest do
     end
 
     test "Input submodule exports from_json/1" do
+      Code.ensure_loaded!(Lexicon.Test.CreateProfile.Input)
       assert function_exported?(Lexicon.Test.CreateProfile.Input, :from_json, 1)
     end
 
@@ -89,6 +92,7 @@ defmodule Atex.LexiconTest do
     end
 
     test "Input submodule exports from_json/1" do
+      Code.ensure_loaded!(Lexicon.Test.CreateUnion.Input)
       assert function_exported?(Lexicon.Test.CreateUnion.Input, :from_json, 1)
     end
 
@@ -118,6 +122,7 @@ defmodule Atex.LexiconTest do
     end
 
     test "root module exports content_type/0" do
+      Code.ensure_loaded!(Lexicon.Test.UploadBlob)
       assert function_exported?(Lexicon.Test.UploadBlob, :content_type, 0)
     end
 
@@ -138,6 +143,7 @@ defmodule Atex.LexiconTest do
 
   describe "procedure with JSON input schema" do
     test "Input submodule exports content_type/0" do
+      Code.ensure_loaded!(Lexicon.Test.CreatePost.Input)
       assert function_exported?(Lexicon.Test.CreatePost.Input, :content_type, 0)
     end
 
@@ -156,6 +162,7 @@ defmodule Atex.LexiconTest do
     end
 
     test "Output submodule exports from_json/1" do
+      Code.ensure_loaded!(Lexicon.Test.GetUnion.Output)
       assert function_exported?(Lexicon.Test.GetUnion.Output, :from_json, 1)
     end