waitWebAppDataEvents

suspend fun BehaviourContext.waitWebAppDataEvents(    initRequest: Request<*>? = null,     errorFactory: NullableRequestBuilder<*> = { null },     count: Int = 1,     filter: SimpleFilter<PrivateEventMessage<WebAppData>>? = null,     mapper: EventMessageToEventMapper<WebAppData>? = null): List<WebAppData>