public int getMaxConnections() {
        return maxConnections;
    }
@Test
    public void testGetMaximumMongoDBConnections() throws RepositoryException, ValidationException {
        MongoDbConfiguration configuration = new MongoDbConfiguration();
        new JadConfig(new InMemoryRepository(singletonMap("mongodb_max_connections", "12345")), configuration).process();

        assertEquals(12345, configuration.getMaxConnections());
    }