This video shows custom query commands from cypress-map plugin. I explain how the "cy.difference" command can help compare a large object of extracted text from the page and show a nice error message if several values are different. Read the blog post "Check Fees And Totals Using Cypress" https://glebbahmutov.com/blog/check-f... and find the source code in the repo https://github.com/bahmutov/cypress-p... Plugin cypress-map can be found at https://github.com/bahmutov/cypress-map