ExceptionHandler exceptionHandler = new DefaultExceptionHandler();
        ExceptionSummary exceptionSummary = exceptionHandler.handleException(mojoEx);

        String expectedReference = "http://cwiki.apache.org/confluence/display/MAVEN/ConnectException";
        assertEquals(expectedReference, exceptionSummary.getReference());
    }

    @Test
    void testHandleExceptionAetherClassNotFound() {

        }

        return new ExceptionSummary(exception, message, reference, children);
    }

    private ExceptionSummary handle(ProjectBuildingResult result) {
        List<ExceptionSummary> children = new ArrayList<>();

        for (ModelProblem problem : result.getProblems()) {
            ExceptionSummary child = handle(problem, result.getProjectId());
            if (child != null) {