(Gsoc'21)🔨Corrects broken tests part-4

Author: satyasaibhushan

test/tests/p5.PolySynth.js

@@ -12,22 +12,20 @@ describe('p5.PolySynth', function () {
     const polySynth = new p5.PolySynth();
     const noteDuration = 0.01;
 
-    const noteTriggerTime = audioContext.currentTime;
-    const noteActiveTime = noteTriggerTime + noteDuration / 2;
-    const noteDoneTime = noteTriggerTime + noteDuration;
+    const getTriggerTime = () => audioContext.currentTime;
+    const getActiveTime = () => getTriggerTime() + noteDuration / 2;
+    const getDoneTime = () => getTriggerTime() + noteDuration;
 
-    expect(polySynth._voicesInUse.getValueAtTime(noteTriggerTime)).to.equal(0);
+    expect(polySynth._voicesInUse.getValueAtTime(getTriggerTime())).to.equal(0);
 
     polySynth.play('A2', 0, 0, noteDuration);
-    expect(polySynth._voicesInUse.getValueAtTime(noteActiveTime)).to.equal(1);
+    expect(polySynth._voicesInUse.getValueAtTime(getActiveTime())).to.equal(1);
     polySynth.play('A3', 0, 0, noteDuration);
-    expect(polySynth._voicesInUse.getValueAtTime(noteActiveTime)).to.equal(2);
+    expect(polySynth._voicesInUse.getValueAtTime(getActiveTime())).to.equal(2);
     polySynth.play('A4', 0, 0, noteDuration);
-    expect(polySynth._voicesInUse.getValueAtTime(noteActiveTime)).to.equal(3);
+    expect(polySynth._voicesInUse.getValueAtTime(getActiveTime())).to.equal(3);
 
-    setTimeout(() => {
-      expect(polySynth._voicesInUse.getValueAtTime(noteDoneTime)).to.equal(0);
-    }, 10);
+    expect(polySynth._voicesInUse.getValueAtTime(getDoneTime())).to.equal(0);
 
     polySynth.dispose();
   });