text: const {
      expect,
  } = require('chai');
  
  const {
      sum,
  } = require('../sum');
  
  it('Test if sum([1, 4, 5]) equals 10', () => {
      const actualResult = sum([1, 4, 5]);
      const expectedResult = 10;
      expect(actualResult).to.be.equal(expectedResult);
  });
  
  it('Test if sum([1, 4]) equals 10', () => {
      const actualResult = sum([1, 4]);
      const expectedResult = 5;
      expect(actualResult).to.be.equal(expectedResult);
  });
  
  it('Test if sum([1, 4, 5]) equals 10', () => {
      const actualResult = sum([1, 4, 5, 10]);
      const expectedResult = 20;
      expect(actualResult).to.be.equal(expectedResult);
  });
  