test: add one more unit test (#87)

.github/workflows/deploy-nextjs.yml

@@ -80,4 +80,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4

src/helpers/getEmojiFlagByISO.test.ts

@@ -1,8 +1,13 @@
 import { expect, test } from 'vitest';
 
-import { getEmojiFlagByISO } from './getEmojiFlagByISO';
+import { getEmojiFlagByISO, getFlagByCountryName } from './getEmojiFlagByISO';
 
 test('Getting correct emoji flag by ISO country code', () => {
   expect(getEmojiFlagByISO('US')).toBe('🇺🇸');
   expect(getEmojiFlagByISO('CH')).toBe('🇨🇭');
 });
+
+test('Getting correct emoji flag by ISO country code', () => {
+  expect(getFlagByCountryName('Italy')).toBe('🇮🇹');
+  expect(getFlagByCountryName('FRANCE')).toBe('🇫🇷');
+});