OPENJPA-2851 fix CURRENT_DATE with LocalDate and LocalDateTime

bug in unit test
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestJava8TimeTypes.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestJava8TimeTypes.java
index 8f72e2a..7ad8d49 100644
--- a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestJava8TimeTypes.java
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestJava8TimeTypes.java
@@ -192,7 +192,7 @@
     public void testCurrentDateLocalDateTime() {
         EntityManager em = emf.createEntityManager();
         final TypedQuery<Java8TimeTypes> qry
-                = em.createQuery("select j from Java8TimeTypes AS j where j.localDateTimeField < CURRENT_DATE", Java8TimeTypes.class);
+                = em.createQuery("select j from Java8TimeTypes AS j where j.localDateTimeField < CURRENT_TIMESTAMP", Java8TimeTypes.class);
         final List<Java8TimeTypes> times = qry.getResultList();
         assertNotNull(times);
         assertTrue(!times.isEmpty());