text: describe("Plane", function() {
    var plane;
  
    beforeEach(function() {
      plane = new Plane();
    });
  
    describe ("Plane flight", function() {
  
      it("is flying when it's created", function() {
        expect(plane.isFlying).toBe(true);
      });
  
      it("is not flying when it is landed", function() {
        plane.land();
        expect(plane.isFlying).toBe(false);
      });
  
      it("is flying after taking off", function() {
        plane.land();
        plane.takeOff();
        expect(plane.isFlying).toBe(true);
      });
  
    });
  
  
  
  
  
  
  
  
    // it("should be able to play a Song", function() {
    //   player.play(song);
    //   expect(player.currentlyPlayingSong).toEqual(song);
  
    //   //demonstrates use of custom matcher
    //   expect(player).toBePlaying(song);
    // });
  
    // describe("when song has been paused", function() {
    //   beforeEach(function() {
    //     player.play(song);
    //     player.pause();
    //   });
  
    //   it("should indicate that the song is currently paused", function() {
    //     expect(player.isPlaying).toBeFalsy();
  
    //     // demonstrates use of 'not' with a custom matcher
    //     expect(player).not.toBePlaying(song);
    //   });
  
    //   it("should be possible to resume", function() {
    //     player.resume();
    //     expect(player.isPlaying).toBeTruthy();
    //     expect(player.currentlyPlayingSong).toEqual(song);
    //   });
    // });
  
    // // demonstrates use of spies to intercept and test method calls
    // it("tells the current song if the user has made it a favorite", function() {
    //   spyOn(song, 'persistFavoriteStatus');
  
    //   player.play(song);
    //   player.makeFavorite();
  
    //   expect(song.persistFavoriteStatus).toHaveBeenCalledWith(true);
    // });
  
    // //demonstrates use of expected exceptions
    // describe("#resume", function() {
    //   it("should throw an exception if song is already playing", function() {
    //     player.play(song);
  
    //     expect(function() {
    //       player.resume();
    //     }).toThrowError("song is already playing");
    //   });
    // });
  });
  