final_spec.js

describe('Fetch Movies', () => {
  it('should contain all the expected attributes', () => {
    cy.fetchFilm(1).as('firstMovie');

    const toTest = [
      { target: 'body.title', value: 'A New Hope', should: 'contain' },
      { target: 'body.director', value: 'George Lucas', should: 'contain' },
      // Check for at least 1 producer
      { target: 'body.producer', value: 'Rick McCallum', should: 'contain' },
      // We can also check for any assertion that Mocha/Chai provides
      { target: 'body.planets', value: 'array', should: 'to.be.a' },
      { target: 'body.planets', value: 3, should: 'length' },
    ];

    toTest.forEach(test => cy.get('@firstMovie').its(test.target).should(test.should, test.value));
  });
});