wait page tree rendering

packages/app/src/components/Sidebar/PageTree/Item.tsx

@@ -425,6 +425,7 @@ const Item: FC<ItemProps> = (props: ItemProps) => {
   return (
     <div
       id={`pagetree-item-${page._id}`}
+      data-testid="grw-pagetree-item-container"
       className={`grw-pagetree-item-container ${isOver ? 'grw-pagetree-is-over' : ''}
     ${shouldHide ? 'd-none' : ''}`}
     >

packages/app/test/cypress/integration/21-basic-features-for-guest/access-to-page.spec.ts

@@ -3,8 +3,7 @@ context('Access to page by guest', () => {
 
   it('/Sandbox is successfully loaded', () => {
     cy.visit('/Sandbox');
-    // eslint-disable-next-line cypress/no-unnecessary-waiting
-    cy.wait(500);
+    cy.getByTestid('grw-pagetree-item-container').should('be.visible');
     cy.collapseSidebar(true, true);
     cy.screenshot(`${ssPrefix}-sandbox`);
   });