refactor cypress

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

@@ -2,10 +2,9 @@ context('Access to page by guest', () => {
   const ssPrefix = 'access-to-page-by-guest-';
 
   it('/Sandbox is successfully loaded', () => {
-    cy.collapseSidebar(true, true);
     cy.visit('/Sandbox');
-    // eslint-disable-next-line cypress/no-unnecessary-waiting
-    cy.wait(500);
+    cy.get('.grw-pagetree-item-container').should('be.visible');
+    cy.collapseSidebar(true, true);
     cy.screenshot(`${ssPrefix}-sandbox`);
   });