YYUGIYFVT5VH5XTOQCL2OEN3PLQ3U6SR4DQSOA5S3SNF25Z2AL7AC
check_eq(Screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_from_empty_line/screen_top')
check_eq(Cursor1.line, 1, 'F - test_up_arrow_scrolls_up_from_empty_line/cursor')
check_eq(Screen_top1.line, 1, 'F - test_up_arrow_scrolls_up_to_empty_line/screen_top')
check_eq(Cursor1.line, 1, 'F - test_up_arrow_scrolls_up_to_empty_line/cursor')