public ProjectBuildingResultWithProblemMessageAssert hasProblemMessage(String problemMessage) {
        assertNotNull(actual);

        boolean hasMessage =
                actual.getProblems().stream().anyMatch(p -> p.getMessage().contains(problemMessage));

        if (!hasMessage) {
            String actualMessages = actual.getProblems().stream()
                    .map(ModelProblem::getMessage)