text: var School = require('./grade-school');
  
  describe('School', function () {
    var school;
  
    beforeEach(function () {
      school = new School();
    });
  
    it('a new school has an empty roster', function () {
      expect(school.roster()).toEqual({});
    });
  
    xit('adding a student adds them to the roster for the given grade', function () {
      school.add('Aimee', 2);
      var expectedDb = { 2: [ 'Aimee' ] };
      expect(school.roster()).toEqual(expectedDb);
    });
  
    xit('adding more students to the same grade adds them to the roster', function () {
      school.add('Blair', 2);
      school.add('James', 2);
      school.add('Paul', 2);
      var expectedDb = { 2: [ 'Blair', 'James', 'Paul' ] };
      expect(school.roster()).toEqual(expectedDb);
    });
  
    xit('adding students to different grades adds them to the roster', function () {
      school.add('Chelsea', 3);
      school.add('Logan', 7);
      var expectedDb = { 3: [ 'Chelsea' ], 7: [ 'Logan' ] };
      expect(school.roster()).toEqual(expectedDb);
    });
  
    xit('grade returns the students in that grade in alphabetical order', function () {
      school.add('Franklin', 5);
      school.add('Bradley', 5);
      school.add('Jeff', 1);
      var expectedStudents = [ 'Bradley', 'Franklin' ];
      expect(school.grade(5)).toEqual(expectedStudents);
    });
  
    xit('grade returns an empty array if there are no students in that grade', function () {
      expect(school.grade(1)).toEqual([]);
    });
  
    xit('the students names in each grade in the roster are sorted', function () {
      school.add('Jennifer', 4);
      school.add('Kareem', 6);
      school.add('Christopher', 4);
      school.add('Kyle', 3);
      var sorted = {
        3: [ 'Kyle' ],
        4: [ 'Christopher', 'Jennifer' ],
        6: [ 'Kareem' ]
      };
      expect(school.roster()).toEqual(sorted);
    });
  });
  