Fix RSocket parser tests for https://example.com

The `http://example.org` is not white-listed in `nohttp` and it
doesn't resolve SSL handshake on HTTPS schema

* Add `@Deprecated` into `SimpleMessageListenerContainerSpec.txSize()`

spring-integration-amqp/src/main/java/org/springframework/integration/amqp/dsl/SimpleMessageListenerContainerSpec.java

@@ -113,6 +113,7 @@ public class SimpleMessageListenerContainerSpec extends
 	 * @see SimpleMessageListenerContainer#setBatchSize(int)
 	 * @deprecated since 5.2 in favor of {@link #batchSize(int)}
 	 */
+	@Deprecated
 	public SimpleMessageListenerContainerSpec txSize(int txSize) {
 		return batchSize(txSize);
 	}

spring-integration-rsocket/src/test/java/org/springframework/integration/rsocket/config/RSocketInboundGatewayParserTests-context.xml

@@ -8,7 +8,7 @@
 		http://www.springframework.org/schema/integration https://www.springframework.org/schema/integration/spring-integration.xsd">
 
 	<bean id="clientRSocketConnector" class="org.springframework.integration.rsocket.ClientRSocketConnector">
-		<constructor-arg value="http://example.org"/>
+		<constructor-arg value="https://example.com"/>
 		<property name="autoStartup" value="false"/>
 	</bean>
 

spring-integration-rsocket/src/test/java/org/springframework/integration/rsocket/config/RSocketOutboundGatewayParserTests-context.xml

@@ -8,7 +8,7 @@
 		http://www.springframework.org/schema/integration https://www.springframework.org/schema/integration/spring-integration.xsd">
 
 	<bean id="clientRSocketConnector" class="org.springframework.integration.rsocket.ClientRSocketConnector">
-		<constructor-arg value="http://example.org"/>
+		<constructor-arg value="https://example.com"/>
 		<property name="autoStartup" value="false"/>
 	</bean>