code: def create_gamma_sqllab_no_data():
      with app.app_context():
          gamma_role = (
              db.session.query(Role)
              .filter(Role.name == "Gamma")
              .one_or_none()
          )
          sqllab_role = (
              db.session.query(Role)
              .filter(Role.name == "sql_lab")
              .one_or_none()
          )
  
          security_manager.add_user(
              "gamma_sqllab_no_data",
              "gamma_sqllab_no_data",
              "gamma_sqllab_no_data",
              "gamma_sqllab_no_data@apache.org",
              [gamma_role, sqllab_role],
              password="general",
          )
  
          yield
          user = (
              db.session.query(User)
              .filter(User.username == "gamma_sqllab_no_data")
              .one_or_none()
          )
          db.session.delete(user)
          db.session.commit()
  
imports: import pytest
  from flask_appbuilder.security.sqla.models import Role, User
  from superset import db, security_manager
  from tests.integration_tests.test_app import app
label_desc: Use image node_id 1 for calling a global function with example usage: create_gamma_sqllab_no_data() without return types