message: fix: update release testing FLASK_APP param
diff: @@ -37,5 +37,5 @@ superset load_examples
  # Create default roles and permissions
  superset init
  -FLASK_ENV=development FLASK_APP=superset:app \
  +FLASK_ENV=development FLASK_APP="superset.app:create_app()" \
  flask run -p 8088 --with-threads --reload --debugger --host=0.0.0.0
  