@Test
public void testRetractFactSetMissingConfidence() throws Exception {

  RetractFactRequest request = mockRetractingFact().setConfidence(null);
  Fact fact = delegate.handle(request);
  verify(objectFactDao).storeFact(argThat(e -> Objects.equals(e.getId(), fact.getId())
          && e.getConfidence() > 0.0));
  verify(factResponseConverter).apply(argThat(e -> Objects.equals(e.getId(), fact.getId())
          && e.getConfidence() > 0.0));
}