@Test
    public void testGetConnection_success() throws Exception {
        Map<String, Object> configMap = new HashMap<String, Object>();
        configMap.put(
                DataSourceConnectionManager.CONFIG_DATASOURCE_FQCN,
                JdbcDataSource.class.getName());
        configMap.put(
                DataSourceConnectionManager.CONFIG_DATASOURCE_OTHER_CONFIGS + "URL",
                "jdbc:h2:mem:");
        configMap.put(
                DataSourceConnectionManager.CONFIG_DATASOURCE_OTHER_CONFIGS + "User",
                "sa");
        configMap.put(
                DataSourceConnectionManager.CONFIG_DATASOURCE_OTHER_CONFIGS + "Password",
                "sa");

        DataSourceConnectionManager connectionManager = new DataSourceConnectionManager();
        connectionManager.initialize(configMap);

        Connection connection = connectionManager.getConnection();

        assertNotNull(connection);
    }