fix test and remove cypress test

apps/app/playwright/20-basic-features/access-to-page.spec.ts

@@ -11,5 +11,5 @@ test('get h1', async({ page }) => {
   await page.goto('/Sandbox');
 
   // Expects page to have a heading with the name of Installation.
-  await expect(page.getByRole('heading', { name: 'Sandbox' })).toBeVisible();
+  await expect(page.getByRole('heading').filter({ hasText: /\/Sandbox/ })).toBeVisible();
 });

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

@@ -21,18 +21,6 @@ context('Access to page', () => {
     });
   });
 
-  it('/Sandbox is successfully loaded', () => {
-    cy.visit('/Sandbox');
-    cy.collapseSidebar(true, true);
-
-    // for check download toc data
-    // https://redmine.weseek.co.jp/issues/111384
-    // cy.get('.toc-link').should('be.visible');
-
-    cy.waitUntilSkeletonDisappear();
-    cy.screenshot(`${ssPrefix}-sandbox`);
-  });
-
   // TODO: https://redmine.weseek.co.jp/issues/109939
   it('/Sandbox with anchor hash is successfully loaded', () => {
     cy.visit('/Sandbox#headers');