public Bson parseSingleExpression(final String filterExpression, final List<EntityAttribute> attributes) {
        final Filter filter = singleFilterParser.parseSingleExpression(filterExpression, attributes);
        return filter.toBson();
    }
@Test
    void parsesFilterExpressionCorrectlyForIntType() {

        assertEquals(Filters.eq("num", 42),
                toTest.parseSingleExpression("num:42",
                        List.of(EntityAttribute.builder()
                                .id("num")
                                .title("Num")
                                .type(SearchQueryField.Type.INT)
                                .filterable(true)
                                .build())
                ));
    }