squash: update tests

Author: LiviaMedeiros

test/unit/pr_checker.test.js

@@ -643,9 +643,11 @@ describe('PRChecker', () => {
         info:
          [['This PR was created on Fri, 30 Nov 2018 17:50:44 GMT'],
            ['This PR is being fast-tracked']],
-        error:
+        warn:
          [['The fast-track request requires at' +
-           " least two collaborators' approvals (👍)."]]
+           " least two collaborators' approvals (👍)."]],
+        error:
+          [['This PR needs to wait 24 more hours to land']]
       };
 
       const pr = Object.assign({}, firstTimerPR, {
@@ -693,9 +695,11 @@ describe('PRChecker', () => {
         info:
          [['This PR was created on Fri, 30 Nov 2018 17:50:44 GMT'],
            ['This PR is being fast-tracked']],
-        error:
+        warn:
          [['The fast-track request requires at' +
-           " least one collaborator's approval (👍)."]]
+           " least one collaborator's approval (👍)."]],
+        error:
+          [['This PR needs to wait 24 more hours to land']]
       };
 
       const pr = Object.assign({}, firstTimerPR, {