export const iFrame = (iframe: string, element: string) => {
    cy.get(iframe).then(function ($iframe) {
        const $body = $iframe.contents().find('body');
        cy.wrap($body).find(element);
    })
}

  iFrame(iframe, displayedDetails);
        cy.should('contain.text', newFirstName)
            .should('contain.text', newLastName);