waitGroupChatCreatedEvents

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