activityHelper.setEnvMap(dockerEnv);
        activityHelper.init();
        assertTrue(activityHelper.useEcsFormat);
    }

    @Test
    public void test_init_withNonDockerEnvironment() {
        Map<String, String> nonDockerEnv = new HashMap<>();
        nonDockerEnv.put("FESS_APP_TYPE", "standalone");
        activityHelper.setEnvMap(nonDockerEnv);
        activityHelper.init();