fset` is zero, which is expected since the test
// creates a local peer connection between `caller` and `callee`.
promise_test(async t => {
  const [caller, callee] = await initiateSingleTrackCall(
      t, /* caps=  */{audio: true, video: true},
      /* absCaptureTimeOffered= */true, /* absCaptureTimeAnswered= */true);
  const receivers = callee.getReceivers();
  assert_equals(receivers.length, 2);

  for (let i = 0; i < 2; ++i) {
    let senderCaptureTimeOffset = await listenForSenderCaptureTimeOffset(
 