@Test
public void noPreparationId() {

    // given parameters without preparation not dataset id
    DynamicParamsInput input = new DynamicParamsInput();
    input.setDatasetId("dataset#19843");
    // when
    Set<ConstraintViolation<DynamicParamsInput>> constraintViolations = validator.validate(input);
    // then 1 violation (column id is empty)
    Assert.assertEquals(1, constraintViolations.size());
}