How can we test the alert and text inside is displaying using Cypress.io Js automation framework? : <p>How can we test the alert and text inside is displaying using Cypress.io Js automation framework? I am unable to figure out the relevant example in Cypress documentation, please advise.</p>

<pre><code>describe('Test an alert and the text displaying', function() {
it('Verify alert and its text content', function(){
    cy.visit('http://www.seleniumeasy.com/test/javascript-alert-box-demo.html')     
    cy.get('button').contains('Click me!').click()
    cy.on ('window:alert', 'I am an alert box!')    

    })

})
</code></pre>
