@Test
public void verifyDisablingOfTracker() throws Exception {

  // verify that disabling of the tracker works
  AbfsPerfTracker abfsPerfTracker = new AbfsPerfTracker(accountName, filesystemName, false);
  String latencyDetails = abfsPerfTracker.getClientLatency();
  assertThat(latencyDetails).describedAs("AbfsPerfTracker should be empty").isNull();
  try (AbfsPerfInfo tracker = new AbfsPerfInfo(abfsPerfTracker, "disablingCaller",
          "disablingCallee")) {
    AbfsHttpOperation op = new AbfsHttpOperation(url, "GET", new ArrayList<>());
    tracker.registerResult(op).registerSuccess(true);
  }
  latencyDetails = abfsPerfTracker.getClientLatency();
  assertThat(latencyDetails).describedAs("AbfsPerfTracker should return no record").isNull();
}