public static AuditManagerS3A stubAuditManager() {
    return new NoopAuditManagerS3A();
  }
@Test
  public void testNoopAuditManager() throws Throwable {
    AuditManagerS3A manager = AuditIntegration.stubAuditManager();
    assertThat(manager.createTransferListener())
        .describedAs("transfer listener")
        .isNotNull();
  }