text: var expect = require('chai').expect;
  
  
  describe('template strings', function() {
    it('should be just a string', function() {
    var string ='abc';
       expect(string).to.be.a('string');
    });
  
    it('can evaluate variables', function() {
      var bar = `baz`;
      var string = `foo${bar}`;
  
      expect(string).to.equal('foobaz');
    });
  
    it('can execute functions', function() {
      var string = `the date is: ${new Date()}`;
      var date = new Date();
  
      expect(string).to.equal(`the date is: ` + date);
    })
  
    it('can evaluate an expression', function() {
      var expression = `1 + 2 = ${1 + 2}`;
  
      expect(expression).to.equal(`1 + 2 = 3`);
    });
  });
  
  
  
  