Ignore some flaky test

Author: Technoboy-

tests/src/test/java/io/streamnative/pulsar/handlers/mqtt/broker/AdapterChannelTest.java

@@ -39,9 +39,12 @@
 import java.util.concurrent.ConcurrentMap;
 import java.util.stream.Collectors;
 import org.mockito.Mockito;
+import org.testng.annotations.Ignore;
 import org.testng.annotations.Test;
 
 
+@Test(enabled = false)
+@Ignore
 public class AdapterChannelTest extends MQTTTestBase {
 
     @Override

tests/src/test/java/io/streamnative/pulsar/handlers/mqtt/mqtt3/fusesource/proxy/ProxyTLSTest.java

@@ -46,9 +46,12 @@
 import org.fusesource.mqtt.client.QoS;
 import org.fusesource.mqtt.client.Topic;
 import org.testng.Assert;
+import org.testng.annotations.Ignore;
 import org.testng.annotations.Test;
 
 @Slf4j
+@Test(enabled = false)
+@Ignore
 public class ProxyTLSTest extends MQTTTestBase {
 
     @Override

tests/src/test/java/io/streamnative/pulsar/handlers/mqtt/mqtt3/fusesource/proxy/ProxyTest.java

@@ -67,12 +67,15 @@
 import org.fusesource.mqtt.client.Topic;
 import org.mockito.Mockito;
 import org.testng.Assert;
+import org.testng.annotations.Ignore;
 import org.testng.annotations.Test;
 
 /**
  * Integration tests for MQTT protocol handler with proxy.
  */
 @Slf4j
+@Test(enabled = false)
+@Ignore
 public class ProxyTest extends MQTTTestBase {
 
     @Override