### Question:
GetFactCommentsRequest implements ValidatingRequest { public GetFactCommentsRequest setFact(UUID fact) { this.fact = fact; return this; }  UUID getFact(); GetFactCommentsRequest setFact(UUID fact); Long getBefore(); GetFactCommentsRequest setBefore(Long before); Long getAfter(); GetFactCommentsRequest setAfter(Long after);  }### Answer:
@Test public void testRequestValidationSucceeds() { assertTrue(getValidator().validate(new GetFactCommentsRequest().setFact(UUID.randomUUID())).isEmpty()); }