@Test
public void testCreateInstanceClient() throws Throwable {

  try {
    BigtableSession.createInstanceClient(
        BigtableOptions.builder()
            .setCredentialOptions(CredentialOptions.nullCredential())
            .build());
  } catch (IOException e) {
    if (e.getMessage().toLowerCase().contains("credentials")) {
      // ignore;  This is running on a system that doesn't have default credentails,
      // and this test is to ensure that openssl works well.  Travis isn't sent up with
      // credentials, so this test should pass in those conditions.
    } else {
      throw e;
    }
  }
}