@Test(expected = IllegalArgumentException.class)
public void testFilterStartingWithLogicalOperatorFollowedByOperatorShouldFail() throws Exception {

    Map<RequestObject, Object> filters = ImmutableMap.of(
            RequestLogicalOperator.of(LogicalOperatorType.OR),
            ImmutableMap.of(RequestOperator.of(OperatorType.STARTS_WITH), Maps.newHashMap()));
    requestParamsCriteriaBuilder.build(filters);
}