private List<Tag> createTagList(Group group, int numberOfTags) {
    List<Tag> tagList = new ArrayList<>();
    for (int i = 0; i < numberOfTags; i++) {
      Tag tag = createTag(group);
      tagList.add(tag);
    }

    tagList = tagService.saveAllTagsForGroup(tagList, group);
    return tagList;
  }