text: const samplecities = require('../samplecities.json');
  
  describe('sample cities', () => {
      it('should have Cities property', () => {
          expect(samplecities.hasOwnProperty('Cities')).toBeTruthy();
      });
  
      it('Cities property must be an Array', () => {
          expect(Array.isArray(samplecities.Cities)).toBeTruthy();
      });
  });