JAVA-20946 Renamed HttpBinServiceUnitTest to LiveTest (#14041)

- Since it is making actual live request to httpbin.org

spring-web-modules/spring-resttemplate-3/src/test/java/com/baeldung/encoding/service/HttpBinServiceLiveTest.java

@@ -8,7 +8,7 @@ import org.springframework.boot.test.context.SpringBootTest;
 import static org.junit.jupiter.api.Assertions.*;
 
 @SpringBootTest
-class HttpBinServiceUnitTest {
+class HttpBinServiceLiveTest {
     @Autowired
     private HttpBinService httpBinService;