Add e2e tests with cypress to a React application by Tomasz Łakomy

• Adding cypress to an existing project in order to start writing e2e tests
• Write a basic cypress test to ensure that the app is not entirely broken
• Enable intelligent code completion for cypress tests in VSCode
• Use data-cy property to select elements in cypress tests to write more resilient e2e tests
• Add a beforeEach function to cypress tests to avoid copying and pasting needless code
• Test a search input in an e2e test with cypress
• Use "Cypress Driven Development" in order to add a feature to a React app
• Use cypress UI in order to debug an API response
• Use cy.server() and cy.route() to control API response in a cypress test
• Use cy.only in order to run only a single test in a cypress test suite
• Use cy.skip in order to skip a test in a cypress suite
• Change a viewport width and height in a cypress test