fix(tests): Remove updated_at from post and page update test payloads

test/test.page.node.ts

@@ -89,8 +89,7 @@ tap.test('should update page', async () => {
   if (createdPage) {
     const updatedPage = await createdPage.update({
       ...createdPage.pageData,
-      html: '<p>This page has been updated.</p>',
-      updated_at: new Date().toISOString()
+      html: '<p>This page has been updated.</p>'
     });
     expect(updatedPage).toBeInstanceOf(ghost.Page);
     console.log(`Updated page: ${updatedPage.getId()}`);

test/test.post.node.ts

@@ -108,8 +108,7 @@ tap.test('should update post', async () => {
   if (createdPost) {
     const updatedPost = await createdPost.update({
       ...createdPost.postData,
-      html: '<p>This post has been updated.</p>',
-      updated_at: new Date().toISOString()
+      html: '<p>This post has been updated.</p>'
     });
     expect(updatedPost).toBeInstanceOf(ghost.Post);
     console.log(`Updated post: ${updatedPost.getId()}`);