code: def test_bp_decorators(app):
      bp = APIBlueprint("test", __name__)
      assert hasattr(bp, "auth_required")
      assert hasattr(bp, "input")
      assert hasattr(bp, "output")
      assert hasattr(bp, "doc")
  
label_desc: Use image node_id 2 for calling a global function with example usage: test_bp_decorators(app) without return types