Fix test leaking connections

Author: vladmihalcea

hibernate-core/src/test/java/org/hibernate/test/bytecode/enhancement/basic/CrossEnhancementTest.java

@@ -21,6 +21,8 @@
 import javax.persistence.Table;
 import java.io.Serializable;
 
+import org.hibernate.SessionFactory;
+
 /**
  * @author Luis Barreiro
  */
@@ -35,6 +37,7 @@ public Class<?>[] getAnnotatedClasses() {
 
  @Test
  public void test() {
+ sessionFactory().close();
  buildSessionFactory();
  }