text: describe("FizzBuzz", function() {
    var fizzBuzz;
  
    beforeEach(function() {
      fizzBuzz = new FizzBuzz();
    });
  
    it("should_return_1_when_input_1And10", function() {
      var a = fizzBuzz.seq(1, 10);
      expect(a[4]).toEqual('Buzz');
    });
  
    it("should_return_2_when_input_2And20", function() {
      var a = fizzBuzz.seq(2,20);
      expect(a[15]).toEqual(17);
    });
    it("should_return_Fizz_when_input_-3And30", function() {
      var a = fizzBuzz.seq(-3, 30);
      expect(a[30]).toEqual('Fizz');
    });
    it("should_return_Buzz_when_input_5And80", function() {
      var a = fizzBuzz.seq(5, 80);
      expect(a[60]).toEqual('Buzz');
    });
    it("should_return_FizzBuzz_when_input_15And100", function() {
      var a = fizzBuzz.seq(15, 100);
      expect(a[40]).toEqual('Buzz');
    });
  });