EMPIREDB-99 Fix test for change in behavior of StringUtils

git-svn-id: https://svn.apache.org/repos/asf/incubator/empire-db/branches/EMPIREDB-99@1158265 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/empire-db/src/test/java/org/apache/empire/commons/StringUtilsTest.java b/empire-db/src/test/java/org/apache/empire/commons/StringUtilsTest.java
index 8af643f..3e14a98 100644
--- a/empire-db/src/test/java/org/apache/empire/commons/StringUtilsTest.java
+++ b/empire-db/src/test/java/org/apache/empire/commons/StringUtilsTest.java
@@ -18,7 +18,9 @@
  */
 package org.apache.empire.commons;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 
 import org.junit.Test;
 
@@ -61,7 +63,7 @@
 	@Test
 	public void testValueOfObject()
 	{
-		assertEquals("",StringUtils.valueOf(null));
+		assertEquals("null",StringUtils.valueOf(null));
 		assertEquals("",StringUtils.valueOf(""));
 		assertEquals("123",StringUtils.valueOf(Long.valueOf("123")));
 	}
@@ -69,8 +71,8 @@
 	@Test
 	public void testValueOfObjectArray()
 	{
-		assertEquals("",StringUtils.valueOf(null));
-		assertEquals("",StringUtils.valueOf(new Object[]{}));
+		assertEquals("null",StringUtils.valueOf(null));
+		assertEquals("null",StringUtils.valueOf(new Object[]{}));
 		assertEquals("123/12.3",StringUtils.valueOf(new Number[]{Integer.valueOf("123"), Double.valueOf("12.3")}));
 	}