@Test
    void testFilterSet() {
        test("(&(objectClass=User)(|(department=Commercial)(department=Financial)))");
        test("(&(ObjectClass=User)(!(ObjectClass=Computer))(|(department=Commercial)(department=Financial))(department=*)(title=*))");
        test("(&(objectClass=Person)(|(sn=Jensen)(cn=Babs J*)))");
    }
@author James Chen
        <p>
        TODO: Add tests for invalid filters.
turms-gateway/src/test/java/unit/im/turms/gateway/infra/ldap/FilterTest.java