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");

        assertEquals(0, problems.getErrors().size(), problems.getErrors().toString());
        assertEquals(0, problems.getWarnings().size(), problems.getWarnings().toString());
    }

    public SimpleProblemCollector(Model model) {
        this.model = model;
    }

    public Model getModel() {
        return model;
    }

    public List<String> getWarnings() {
        return warnings;
    }

    public List<String> getErrors() {
        return errors;
    }

    public List<String> getFatals() {
        return fatals;
    }

        assertFalse(activator.isActive(new org.apache.maven.model.Profile(profile), context, problems));

        assertEquals(0, problems.getErrors().size());
        assertEquals(1, problems.getWarnings().size());
        assertTrue(problems.getWarnings().get(0).contains(warningContains));
    }

    }

    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(