### Question:
RetractFactRequest implements ValidatingRequest { public RetractFactRequest setFact(UUID fact) { this.fact = fact; return this; }  UUID getFact(); RetractFactRequest setFact(UUID fact); String getOrganization(); RetractFactRequest setOrganization(String organization); String getOrigin(); RetractFactRequest setOrigin(String origin); Float getConfidence(); RetractFactRequest setConfidence(Float confidence); AccessMode getAccessMode(); RetractFactRequest setAccessMode(AccessMode accessMode); String getComment(); RetractFactRequest setComment(String comment); List<String> getAcl(); RetractFactRequest setAcl(List<String> acl); RetractFactRequest addAcl(String acl);  }### Answer:
@Test public void testRequestValidationSucceeds() { assertTrue(getValidator().validate(new RetractFactRequest().setFact(UUID.randomUUID())).isEmpty()); }