fix: unit test

Author: ChengShi-1

test/unit/guestbooks/GetGuestbooksByCollectionId.test.ts

@@ -13,9 +13,6 @@ describe('GetGuestbooksByCollectionId', () => {
       nameRequired: true,
       institutionRequired: false,
       positionRequired: false,
-      email: 'test@gmail.com',
-      institution: 'Harvard University',
-      position: 'Researcher',
       customQuestions: [],
       createTime: '2024-01-01T00:00:00Z',
       dataverseId: 10