@Test
  public void trackerUpdateOnFailureTest() throws InterruptedException {
    doTrackerUpdateTest(false);
  }
Tests that the {@link Histogram} instances used by {@link AdaptiveOperationTracker} are updated correctly on failed
requests.
@throws InterruptedException
ambry-router/src/test/java/com/github/ambry/router/AdaptiveOperationTrackerTest.java