@Test
public void testCreateFactTypeValidatorNotFound() throws InvalidArgumentException {

  CreateFactTypeRequest request = createFactTypeRequest();
  doThrow(InvalidArgumentException.class).when(validatorHandler).assertValidatorExists(request.getValidator(), request.getValidatorParameter());
  assertThrows(InvalidArgumentException.class, () -> delegate.handle(request));
  verify(validatorHandler).assertValidatorExists(request.getValidator(), request.getValidatorParameter());
}