           data: [null,null],
                    backgroundColor: [ pattern.draw('line-vertical', 'rgba(168, 168, 168, 0.5)') ]
                },
                {
                    label: ['Skipped Tests'],
                    data: [null,null],
                    backgroundColor: [ pattern.draw('diagonal', 'rgba(238, 224, 152, 0.75)') ]
                },
                {
                    label: ['Aborted Tests'],
                    data: [null,null],
                    backgroundColor: [ patte