add test editor load to app Controller

src/app/core/controller.h

@@ -38,6 +38,7 @@ class Controller : public ExperimentFlags {
   absl::Status OnEntry(std::string filename = "");
   void OnInput();
   absl::Status OnLoad();
+  absl::Status OnTestLoad();
   void DoRender() const;
   void OnExit();
 
@@ -47,18 +48,22 @@ class Controller : public ExperimentFlags {
   absl::Status LoadFontFamilies() const;
   absl::Status LoadAudioDevice();
 
-  void SetupScreen(std::string filename = "") { editor_manager_.SetupScreen(filename); }
+  void SetupScreen(std::string filename = "") {
+    editor_manager_.SetupScreen(filename);
+  }
   auto editor_manager() -> editor::EditorManager & { return editor_manager_; }
   auto renderer() -> SDL_Renderer * {
     return Renderer::GetInstance().renderer();
   }
   auto window() -> SDL_Window * { return window_.get(); }
+  void init_test_editor(editor::Editor *editor) { test_editor_ = editor; }
 
  private:
   friend int ::main(int argc, char **argv);
 
   bool active_;
   Platform platform_;
+  editor::Editor *test_editor_;
   editor::EditorManager editor_manager_;
 
   int audio_frequency_ = 48000;