add wait

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

@@ -3,6 +3,8 @@ 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.collapseSidebar(true, true);
     cy.screenshot(`${ssPrefix}-sandbox`);
   });