@Test
public void testConfigurableEmptyFingerPrint() {

    final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
    when(userGroupProvider.getFingerprint()).thenReturn("");
    final AuthorizerConfigurationContext configurationContext = createMockConfigContext();
    setup(mock(NiFiRegistryProperties.class), userGroupProvider, configurationContext);
    Assert.assertEquals(EMPTY_FINGERPRINT, authorizer.getFingerprint());
}