Changing the discontinuity seek to be a new test

As requested by @BCdmlap, changing the discontinuity seek to be a new
test instead of a modification to an existing test.

@@ -1261,6 +1261,56 @@ test('clears the segment buffer on seek', function() {
   standardXHRResponse(requests.pop());
 
   // play to 6s to trigger the next segment request
+  currentTime = 6;
+  bufferEnd = 10;
+  player.trigger('timeupdate');
+
+  standardXHRResponse(requests.pop());
+
+  // seek back to the beginning
+  player.currentTime(0);
+  tags.push({ pts: 0, bytes: 0 });
+  standardXHRResponse(requests.pop());
+  strictEqual(aborts, 1, 'aborted once for the seek');
+
+  // the source buffer empties. is 2.ts still in the segment buffer?
+  player.trigger('waiting');
+  strictEqual(aborts, 1, 'cleared the segment buffer on a seek');
+});
+
+test('continues playing after seek to discontinuity', function() {
+  var aborts = 0, tags = [], currentTime, bufferEnd, oldCurrentTime;
+
+  videojs.Hls.SegmentParser = mockSegmentParser(tags);
+
+  player.src({
+    src: 'discontinuity.m3u8',
+    type: 'application/vnd.apple.mpegurl'
+  });
+  openMediaSource(player);
+  oldCurrentTime = player.currentTime;
+  player.currentTime = function(time) {
+    if (time !== undefined) {
+      return oldCurrentTime.call(player, time);
+    }
+    return currentTime;
+  };
+  player.buffered = function() {
+    return videojs.createTimeRange(0, bufferEnd);
+  };
+  player.hls.sourceBuffer.abort = function() {
+    aborts++;
+  };
+
+  requests.pop().respond(200, null,
+    '#EXTM3U\n' +
+    '#EXTINF:10,0\n' +
+    '1.ts\n' +
+    '#EXT-X-DISCONTINUITY\n' +
+    '#EXTINF:10,0\n' +
+    '2.ts\n');
+  standardXHRResponse(requests.pop());
+
   currentTime = 1;
   bufferEnd = 10;
   player.trigger('timeupdate');