Update javaxval/src/test/java/org/baeldung/javaxval/messageinterpolator/ParameterMessageInterpolaterIntegrationTest.java

update to use the givenX_whenY_thenZ naming convention for tests

Co-Authored-By: KevinGilmore <kpg102@gmail.com>

spring-boot-flowable/src/main/java/com/baeldung/service/PublishArticleService.java

@@ -0,0 +1,10 @@
+package com.baeldung.service;
+
+import org.flowable.engine.delegate.DelegateExecution;
+import org.flowable.engine.delegate.JavaDelegate;
+
+public class PublishArticleService implements JavaDelegate {
+    public void execute(DelegateExecution execution) {
+        System.out.println("Publishing the approved article.");
+    }
+}