import { describe, it, expect } from 'vitest'; describe('Math operations', () => { it('should add two numbers correctly', () => { expect(1 + 1).toBe(2); }); it('should multiply two numbers correctly', () => { expect(2 * 3).toBe(6); }); }); describe('String operations', () => { it('should concatenate strings', () => { expect('Hello' + ' ' + 'World').toBe('Hello World'); }); it('should convert to uppercase', () => { expect('classeo'.toUpperCase()).toBe('CLASSEO'); }); });