assertEquals(errors, result.getErrors().size(), String.valueOf(result.getErrors()));
        assertEquals(warnings, result.getWarnings().size(), String.valueOf(result.getWarnings()));
    }

    @Test
    void testMissingModelVersion() throws Exception {
        SimpleProblemCollector result = validate("missing-modelVersion-pom.xml");

    }

    protected void assertProblemFree(SimpleProblemCollector collector) {
        assertEquals(0, collector.getErrors().size(), "Expected no errors");
        assertEquals(0, collector.getWarnings().size(), "Expected no warnings");
        assertEquals(0, collector.getFatals().size(), "Expected no fatals");
    }

    protected void assertCollectorState(