improve conditions

test/sequencer.test.ts

@@ -83,7 +83,7 @@ describe('sequencer', () => {
 
     it('can include tracks conditionally', async () => {
         expect(await Sequencer({
-            programs: [['segment 1', 'segment 2']],
+            programs: [['segment 1', 'sequence 1', 'segment 2', 'sequence 2']],
             segments: {
                 'segment 1': ['sequence 1'],
                 'segment 2': ['sequence 2']
@@ -104,7 +104,7 @@ describe('sequencer', () => {
             },
             voices: {},
             weather: dummyWeather
-        })).to.be.ordered.members(['seq1.flac']);
+        })).to.be.ordered.members(['seq1.flac', 'seq1.flac']);
     });
 });