text: const { sum, subtract, multiply } = require('../index');
  
  test('adds 1 + 2 to equal 3', () => {
      expect(sum(1, 2)).toBe(3);
  });
  
  test('adds 3 - 1 to equal 2', () => {
      expect(subtract(3, 1)).toBe(2);
  });
  
  test('multiply 5 * 2 equal 10', () => {
      expect(multiply(5, 2)).toBe(10);
  });