fix: add api key for REST_test.js

Author: kobenguyent

test/rest/REST_test.js

@@ -150,7 +150,7 @@ describe('REST', () => {
     })
 
     it('should be able to parse JSON responses', async () => {
-      await I.sendGetRequest('https://reqres.in/api/comments/1')
+      await I.sendGetRequest('https://reqres.in/api/comments/1', { 'x-api-key': 'reqres-free-v1'})
       await jsonResponse.seeResponseCodeIsSuccessful()
       await jsonResponse.seeResponseContainsKeys(['data', 'support'])
     })