public static String getUserTenantForAcm() {
        String tmp = USER_TENANT;
        
        if (StringUtils.isBlank(USER_TENANT)) {
            tmp = NacosClientProperties.PROTOTYPE.getProperty(ACM_NAMESPACE_PROPERTY, DEFAULT_ACM_NAMESPACE);
        }
        
        return tmp;
    }
@Test
    void testGetUserTenantForAcm() {
        String expect = "test";
        System.setProperty("acm.namespace", expect);
        String actual = TenantUtil.getUserTenantForAcm();
        assertEquals(expect, actual);
    }