@UseStoreon decorator - ng test issue

[gladziu90]

angular v.11
Ivy enabled, decorators works seamlessly in the application.

Hovewer when running unit tests 'ng test' I get the error:

storeon-angular.js:138 Uncaught TypeError: Cannot read property 'factory' of undefined
at :9876/karma_webpack/webpack:/node_modules/@storeon/angular/ivy_ngcc/fesm2015/storeon-angular.js:138
at __decorate (:9876/karma_webpack/webpack:/node_modules/tslib/tslib.es6.js:56)
at Module.Sy1n (:9876/karma_webpack/webpack:/src/app/app.component.ts:39)
at webpack_require (:9876/karma_webpack/webpack:/webpack/bootstrap:79)
at Module.eQIV (main.js:1389)
at webpack_require (:9876/karma_webpack/webpack:/webpack/bootstrap:79)
at webpackContext (:9876/karma_webpack/webpack:/src sync .spec.ts$:8)
at Array.map ()
at Module.CB3P (:9876/karma_webpack/webpack:/src/test.ts:29)
at webpack_require (:9876/karma_webpack/webpack:/webpack/bootstrap:79)

any tips/ideas on how can I test components when using the @UseStoreon decorator?

https://github.com/storeon/angular/blob/master/projects/ng-storeon/src/lib/storeon.decorator.ts#L17