add should be visible

packages/app/test/cypress/integration/20-basic-features/use-tools.spec.ts

@@ -191,6 +191,7 @@ context('Page Accessories Modal', () => {
      cy.visit('/Sandbox/Bootstrap4', {  });
      cy.get('#grw-subnav-container').within(() => {
       cy.getByTestid('open-page-item-control-btn').within(() => {
+        cy.getByTestid('open-page-item-control-btn').should('be.visible');
         cy.get('button.btn-page-item-control').click({force: true});
       });
        cy.getByTestid('open-page-accessories-modal-btn-with-attachment-data-tab').click();