Fixing issue with TLSHostnameVerificationTest.

Signed-off-by: James Sutton <james.sutton@uk.ibm.com>

Author: jpwsutton

org.eclipse.paho.client.mqttv3.test/src/test/java/org/eclipse/paho/client/mqttv3/test/TLSHostnameVerificationTest.java

@@ -87,8 +87,7 @@ public void testValidHTTPSStyleHostnameVerification() throws Exception {
 
 		log.info("Connecting to: " + serverURI);
 		mqttClient.connect(connOpts);
-
-		Thread.sleep(2000);
+		Assert.assertTrue(mqttClient.isConnected());
 
 		log.info("Disconnetting...");
 		mqttClient.disconnect();
@@ -142,8 +141,9 @@ public void testValidWebSocketHTTPSStyleHostnameVerification() throws Exception
 
 		log.info("Connecting to: " + serverURI);
 		mqttClient.connect(connOpts);
+		Assert.assertTrue(mqttClient.isConnected());
+		log.info("Client is connected.");
 
-		Thread.sleep(2000);
 
 		log.info("Disconnetting...");
 		mqttClient.disconnect();