I am not able to mock ngredux state getting error in @select selector. NgRedux is configured like : We have following files for configuration - store.epics.ts (EPICmiddlware) - store.model.ts (IAPPSTATE) - store.module.ts (which has INTITAL_STATE of the application) - store.reducer.ts (combinereducer > How to do this set up for testing angular components which uses NgRedux store?