text: import { expect } from 'chai';
  import twoSum from '../src/TwoSum'
  
  describe('Two Sum', () => {
  
    it('should have a twoSum() function', () => {
      expect(twoSum).to.be.a("function");
    });
  
    it('should return [ [ 6, 1 ], [ 3, 4 ], [ 3, 4 ] ] when called with [1,6,4,5,3,3], 7)', () => {
      expect(twoSum([1,6,4,5,3,3], 7)).to.eql([ [ 6, 1 ], [ 3, 4 ], [ 3, 4 ] ]);
    });
  
  });
  