125483 add getByTestId to cypress

apps/app/test/cypress/e2e/20-basic-features/20-basic-features--access-to-page.cy.ts

@@ -111,6 +111,7 @@ context('Access to page', () => {
     cy.get('.CodeMirror textarea').type(body2, { force: true });
     cy.get('.CodeMirror-code').contains(body1+body2);
     cy.get('.page-editor-preview-body').contains(body1+body2);
+    cy.getByTestid('page-editor').should('be.visible');
     cy.get('.CodeMirror').click().type(savePageShortcutKey);
     cy.get('.CodeMirror-code').contains(body1+body2);
     cy.get('.page-editor-preview-body').contains(body1+body2);