waitVisualMediaGroupContent

suspend fun BehaviourContext.waitVisualMediaGroupContent(    initRequest: Request<*>? = null,     errorFactory: NullableRequestBuilder<*> = { null },     count: Int = 1,     includeMediaGroups: Boolean = true,     filter: SimpleFilter<CommonMessage<VisualMediaGroupContent>>? = null,     mapper: CommonMessageToContentMapper<VisualMediaGroupContent>? = null): List<VisualMediaGroupContent>