How to use the @times-components/provider-test-tools.fixtures.articleListNoImages function in @times-components/provider-test-tools

makeItem(item, itemIndex) {
              if (fixtures.articleListNoImages[itemIndex]) {
                return {
                  ...fixtures.articleListNoImages[itemIndex],
                  summary(__, { maxCharCount }) {
                    if (maxCharCount === 360) {
                      return fixtures.articleListNoImages[itemIndex]
                        .longSummary;
                    }

                    return fixtures.articleListNoImages[itemIndex].shortSummary;
                  }
                };
              }

              return item;
            },
            pageSize,

summary(__, { maxCharCount }) {
                    if (maxCharCount === 360) {
                      return fixtures.articleListNoImages[itemIndex]
                        .longSummary;
                    }

                    return fixtures.articleListNoImages[itemIndex].shortSummary;
                  }
                };