This widget driver method was mistakenly filtering all state events out of the responses to read_events fromWidget actions. This was a hold-over from back when read_events had two different behaviors depending on whether you specified a state_key (i.e. before the introduction of the update_state action).
Any UTs for vector-web layer components or functionality should go here.
This used to contain the UTs for notifications before they got moved to react-sdk.