In this video, I select a country from a dropdown made using the Kendo UI library. The test is flake-free since we follow the Cypress retry-ability guide https://on.cypress.io/retry-ability (for example, by using a cy.contains command with a single selector, rather than splitting the Cypress querying commands)
Find the source code in the repo https://github.com/bahmutov/cypress-k... and my lessons on stubbing / spying JSONP API calls in the course https://cypress.tips/courses/network-...