require('cypress-xpath');

setupNodeEvents(on, config) {}

e2e.js

cy.xpath is not a function

js
Cypress.on('fail', (error, runnable) => {
  debugger

  // we now have access to the err instance
  // and the mocha runnable this failed on

  throw error // throw error to have test still fail
})

js
require('cypress-xpath');

js
import './commands'

var isFailed = false;
var failedTitle;

Cypress.on('fail', (error, runnable) => {
  
  failedTitle = runnable.fullTitle();
  isFailed = true

  throw error
})

afterEach(function() {
  if(isFailed){
    cy.screenshot(`The failed test is ${failedTitle}`,{capture: "fullPage"})
    isFailed = false
  }
})

before

cy.intercept('post', '/path', {fixture: 'someFile'})

javascript
cy.fixture("calculator/monthlyRepayment.json").then((json) => {
  cy.intercept("POST", "**/full", (req) => {
    //you can use the request here if you need data that is included in the request
    let name = req.body.username;
    json.username = name;
    req.reply(json);
  });
});

cy.session()