code: def test_blueprint_specific_error_handling(app, client):
      frontend = flask.Blueprint("frontend", __name__)
      backend = flask.Blueprint("backend", __name__)
      sideend = flask.Blueprint("sideend", __name__)
  
      @frontend.errorhandler(403)
      def frontend_forbidden(e):
          return "frontend says no", 403
  
      @frontend.route("/frontend-no")
      def frontend_no():
          flask.abort(403)
  
      @backend.errorhandler(403)
      def backend_forbidden(e):
          return "backend says no", 403
  
      @backend.route("/backend-no")
      def backend_no():
          flask.abort(403)
  
      @sideend.route("/what-is-a-sideend")
      def sideend_no():
          flask.abort(403)
  
      app.register_blueprint(frontend)
      app.register_blueprint(backend)
      app.register_blueprint(sideend)
  
      @app.errorhandler(403)
      def app_forbidden(e):
          return "application itself says no", 403
  
      assert client.get("/frontend-no").data == b"frontend says no"
      assert client.get("/backend-no").data == b"backend says no"
      assert (
          client.get("/what-is-a-sideend").data
          == b"application itself says no"
      )
  
imports: import pytest
  from jinja2 import TemplateNotFound
  from werkzeug.http import parse_cache_control_header
  import flask
label_desc: Use image node_id 1 for calling a global function with example usage: test_blueprint_specific_error_handling(app, client) and returns: str,  int, str,  int, str,  int