                      },
                    },
                    test_f: {
                        desc: 'collect all from series.data (has null/NaN/undefined/illegal, expect display)',
                        data: {
                            x: undefined,
                            y: undefined,
                            seriesData: [
                                ['fruit', undefined, 1223],
                                ['bread', 'good', 323],
                                ['milk', 'good', 