@Test
public void testDefaultRetryOptions() throws IOException {

  RetryOptions retryOptions =
      BigtableOptionsFactory.fromConfiguration(configuration).getRetryOptions();
  assertEquals(RetryOptions.DEFAULT_ENABLE_GRPC_RETRIES, retryOptions.enableRetries());
  assertEquals(
      RetryOptions.DEFAULT_MAX_ELAPSED_BACKOFF_MILLIS, retryOptions.getMaxElapsedBackoffMillis());
  assertEquals(
      RetryOptions.DEFAULT_READ_PARTIAL_ROW_TIMEOUT_MS,
      retryOptions.getReadPartialRowTimeoutMillis());
  assertEquals(
      RetryOptions.DEFAULT_MAX_SCAN_TIMEOUT_RETRIES, retryOptions.getMaxScanTimeoutRetries());
}