int RunAllTests(void) { // Retorna int ao invés de void
    CuString *output = CuStringNew();
    CuSuite* suite = CuSuiteNew();
    CuSuiteAddSuite(suite, test_project_suite());
    // ... mais coisas aqui
    CuSuiteRun(suite);
    CuSuiteSummary(suite, output);
    CuSuiteDetails(suite, output);
    printf("%s\n", output->buffer);
    CuStringDelete(output);
    CuSuiteDelete(suite);
    return suite->failCount; // Retorna contagem de erros
}
int main(void) {
    return RunAllTests(); // Retorna contagem
}