refactor open sidebar method

packages/app/test/cypress/integration/20-basic-features/access-to-page.spec.ts

@@ -98,10 +98,11 @@ context('Access to special pages', () => {
   });
 
   it('/tags is successfully loaded', () => {
-    cy.visit('/tags');
 
     // open sidebar
     cy.collapseSidebar(false);
+
+    cy.visit('/tags');
     // select tags
     cy.getByTestid('grw-sidebar-nav-primary-tags').click();
     cy.getByTestid('grw-sidebar-content-tags').should('be.visible');

packages/app/test/cypress/support/commands.ts

@@ -46,7 +46,7 @@ Cypress.Commands.add('collapseSidebar', (isCollapsed, force=false) => {
     return;
   }
 
-  const isGrowiPage = Cypress.$('body').hasClass('growi');
+  const isGrowiPage = Cypress.$('body.growi').length > 0;
   if (!isGrowiPage) {
     cy.visit('/page-to-toggle-sidebar-collapsed');
   }