text: const Manager = require('../lib/Manager');
  
  test('test this.officeNumber', () => {
      const testObject = new Manager('sally',1,'sally@gmail.com',2);
      expect(testObject.officeNumber).toBe(2);
  })
  
  test('tests for officeNumber', () => {
      const testObject = new Manager('sally',1,'sally@gmail.com',2);
      expect(testObject.getOfficeNumber()).toBe(2);
  });
  
  test('test getRole()', () => {
      const testObject = new Manager();
      expect(testObject.getRole()).toEqual('Manager');
  });