🧪 Add e2e tests with Cypress

frontend/cypress/integration-examples/2-advanced-examples/window.spec.js

@@ -0,0 +1,22 @@
+/// <reference types="cypress" />
+
+context('Window', () => {
+  beforeEach(() => {
+    cy.visit('https://example.cypress.io/commands/window')
+  })
+
+  it('cy.window() - get the global window object', () => {
+    // https://on.cypress.io/window
+    cy.window().should('have.property', 'top')
+  })
+
+  it('cy.document() - get the document object', () => {
+    // https://on.cypress.io/document
+    cy.document().should('have.property', 'charset').and('eq', 'UTF-8')
+  })
+
+  it('cy.title() - get the title', () => {
+    // https://on.cypress.io/title
+    cy.title().should('include', 'Kitchen Sink')
+  })
+})