}

    public void test_getFilteredEnvMap() {
        Map<String, String> filteredEnvMap = systemHelper.getFilteredEnvMap("^FESS_ENV.*");
        assertEquals(0, filteredEnvMap.size());

        envMap.put("FESS_ENV_TEST", "123");
        filteredEnvMap = systemHelper.getFilteredEnvMap("^FESS_ENV.*");
        assertEquals(1, filteredEnvMap.size());