import '@percy/cypress'; import 'cypress-plugin-tab'; import '@testing-library/cypress/add-commands'; declare global { namespace Cypress { interface Chainable { toggleTheme: typeof toggleTheme; } } } function toggleTheme(options?: Partial) { cy.get('[data-mui-test=toggle-theme-btn]').click(options); } Cypress.Commands.add('toggleTheme', toggleTheme);