assertViolations(result, 0, 1, 0);

        assertEquals("'version' is missing.", result.getErrors().get(0));
    }

    @Test
    void testInvalidAggregatorPackaging() throws Exception {
        SimpleProblemCollector result = validate("invalid-aggregator-packaging-pom.xml");

        assertViolations(result, 0, 1, 0);