further fix up acl, and later will create a PR for it

Author: kiryazovi-redis

src/test/java/io/lettuce/core/commands/AclCommandIntegrationTests.java

@@ -24,6 +24,8 @@
 
 import javax.inject.Inject;
 
+import io.lettuce.core.api.StatefulRedisConnection;
+import io.lettuce.test.resource.DefaultRedisClient;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.api.Test;
@@ -66,9 +68,11 @@ protected AclCommandIntegrationTests(RedisCommands<String, String> redis) {
 
     @BeforeEach
     void setUp() {
-        redis.flushall();
-        redis.aclUsers().stream().filter(o -> !"default".equals(o)).forEach(redis::aclDeluser);
-        redis.aclLogReset();
+        try ( StatefulRedisConnection<String,String> conn = DefaultRedisClient.get().connect(StringCodec.ASCII)) {
+            conn.sync().flushall();
+            conn.sync().aclUsers().stream().filter(o -> !"default".equals(o)).forEach(redis::aclDeluser);
+            conn.sync().aclLogReset();
+        }
     }
 
     @Test