beforeEach(function () {
  jasmine.addMatchers({
    // EXAMPLE
    // toBePlaying: function () {
    //   return {
    //     compare: function (actual, expected) {
    //       var player = actual;

    //       return {
    //         pass: player.currentlyPlayingSong === expected && player.isPlaying
    //       }
    //     }
    //   };
    // }

    
  });
});

beforeEach(function () {
  // EXAMPLE
  // jasmine.addMatchers({
    // toBePlaying: function () {
    //   return {
    //     compare: function (actual, expected) {
    //       var player = actual;

    //       return {
    //         pass: player.currentlyPlayingSong === expected && player.isPlaying
    //       }
    //     }
    //   };
    // }
  // });
});

Comment out example custom matcher.
Comment out example custom matcher.