test: update test case

test/display.test.js

@@ -264,11 +264,7 @@ it('As ISO 8601 String -> toISOString e.g. 2013-02-04T22:44:30.652Z', () => {
 it('Year 1 formatted with YYYY should pad with zeroes', () => {
   const date = new Date(1, 0, 1)
   date.setUTCFullYear(1) // Required because 0-99 are parsed as 19xx in JS: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/Date#year
-  expect(dayjs(date).format('YYYY')).toBe('0002')
-})
-
-it('Year 1 formatting matches moment format', () => {
-  const date = new Date(1, 0, 1)
-  date.setUTCFullYear(1)
-  expect(dayjs(date).format('YYYY')).toBe(moment(date).format('YYYY'))
+  const res = dayjs(date).format('YYYY')
+  expect(res.slice(0, 3)).toBe('000') // because of timezone, the result might be 0000 0001 or 0002
+  expect(res).toBe(moment(date).format('YYYY'))
 })