1 Test equal-power panner model of AudioPannerNode with stereo source.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
5 PASS Number of impulses matches the number of panner nodes.
6 PASS All impulses at expected offsets.
7 PASS Left channel gain values are correct.
8 PASS Right channel gain values are correct.
9 PASS EqualPower panner test passed
10 PASS successfullyParsed is true