OPENJPA-2555 fix randomly failing tests by forcing microseconds
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/TestMixedMappingLocation.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/TestMixedMappingLocation.java
index 5c00ac5..ea09d09 100644
--- a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/TestMixedMappingLocation.java
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/TestMixedMappingLocation.java
@@ -32,7 +32,9 @@
 
     @Override
     public void setUp() {
-        setUp(DROP_TABLES,MixedMappingLocationEmbeddedId.class, MixedMappingLocation.class);
+        setUp(DROP_TABLES,
+                "openjpa.jdbc.DBDictionary", "(defaultFractionLength=6)",
+                MixedMappingLocationEmbeddedId.class, MixedMappingLocation.class);
     }
     /**
      * Testcase for added OPENJPA859.
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestSimpleXmlEntity.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestSimpleXmlEntity.java
index 163ee56..0016d57 100644
--- a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestSimpleXmlEntity.java
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestSimpleXmlEntity.java
@@ -26,9 +26,9 @@
 
     @Override
     public void setUp() {
-        setUp(
-        org.apache.openjpa.persistence.embed.attrOverrides.AnnoOverEmbed.class,
-        CLEAR_TABLES);
+        setUp(CLEAR_TABLES,
+                "openjpa.jdbc.DBDictionary", "(defaultFractionLength=6)",
+                org.apache.openjpa.persistence.embed.attrOverrides.AnnoOverEmbed.class);
     }
 
     @Override
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestXmlOverrideEntity.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestXmlOverrideEntity.java
index ebc6d48..9a8fcb7 100644
--- a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestXmlOverrideEntity.java
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/xml/TestXmlOverrideEntity.java
@@ -35,9 +35,9 @@
 
     @Override
     public void setUp() throws ClassNotFoundException {
-        setUp(
-        org.apache.openjpa.persistence.embed.attrOverrides.AnnoOverEmbed.class,
-        CLEAR_TABLES);
+        setUp(CLEAR_TABLES,
+                "openjpa.jdbc.DBDictionary", "(defaultFractionLength=6)",
+                org.apache.openjpa.persistence.embed.attrOverrides.AnnoOverEmbed.class);
 
         // make sure that XmlOverrideEntity is registered for our metadata tests
         Class.forName(XmlOverrideEntity.class.getName(), true,