BAEL-6082 RSocket Interface in Spring 6 (#14873)

* Rsocket in spring framework6.

* reformat code.

* Reformate code with removing blank rows.

* some changes in maven dependency and codes

* moving spring boot dependency from parent to new projects.changing spring core version

---------

Co-authored-by: rezaganjis <Ganji@tosan.com>

spring-6-rsocket/src/test/java/com/bealdung/rsocket/RSocketRequestResponseIntegrationTest.java

@@ -0,0 +1,35 @@
+package com.bealdung.rsocket;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.messaging.rsocket.RSocketRequester;
+import org.springframework.messaging.rsocket.service.RSocketServiceProxyFactory;
+
+import com.bealdung.rsocket.requester.MessageClient;
+import com.bealdung.rsocket.responder.RSocketApplication;
+
+import reactor.core.publisher.Mono;
+
+@SpringBootTest(classes = RSocketApplication.class)
+public class RSocketRequestResponseIntegrationTest {
+
+    MessageClient client;
+
+    public RSocketRequestResponseIntegrationTest() {
+        RSocketRequester.Builder requesterBuilder = RSocketRequester.builder();
+        RSocketRequester requester = requesterBuilder.tcp("localhost", 7000);
+        RSocketServiceProxyFactory factory = RSocketServiceProxyFactory.builder(requester)
+            .build();
+        client = factory.createClient(MessageClient.class);
+    }
+
+    @Test
+    public void whenSendingStream_thenReceiveTheSameStream() {
+        String message = "test message";
+        assertEquals(message, client.sendMessage(Mono.just(message))
+            .block());
+    }
+
+}