private void verifyDownloadErrorMetrics() {
    assertEquals(1, azureMetrics.blobDownloadRequestCount.getCount());
    assertEquals(0, azureMetrics.blobDownloadSuccessCount.getCount());
    assertEquals(1, azureMetrics.blobDownloadErrorCount.getCount());
    assertEquals(1, azureMetrics.blobDownloadTime.getCount());
  }
Verify the metric values after an upload error.
ambry-cloud/src/test/java/com/github/ambry/cloud/azure/AzureCloudDestinationTest.java