New unit test format

persistence-modules/deltaspike/src/main/java/baeldung/data/EntityManagerProducer.java

@@ -0,0 +1,18 @@
+package baeldung.data;
+
+import javax.enterprise.context.RequestScoped;
+import javax.enterprise.inject.Produces;
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+
+public class EntityManagerProducer {
+
+    @PersistenceContext(unitName = "primary") private EntityManager entityManager;
+
+    @RequestScoped
+    @Produces
+    public EntityManager create() {
+        return entityManager;
+    }
+
+}