gistfile1.txt

var commentBox = document.querySelector( '[name="comment[body]"]' );

commentBox.value =  '## QA Description\n\n' + 
                    '## Legend: \n' +
                    ' - :white_check_mark:  QA Passed\n' +
                    ' - :red_circle:  QA fail\n' +
                    ' - :question:  QA needs more info\n' +
                    ' - :green_heart: Dev fixed it after QA fail \n\n' + 
                    '## Checklist: \n\n' +
                    ' - Feature A\n' +
                    '   - Please test this and that\n' + 
                    ' - Feature B\n' +
                    '   - Please test this and that\n' + 
                    ' - Feature C\n' +
                    ' - Feature D\n' +
                    ' - Feature E\n' +
                    ' - Feature F\n';