[nobug] undo having JSONTokenizerTest subclass TestCase

Signed-off-by: Nitin Dahyabhai <nitind@us.ibm.com>
diff --git a/json/tests/org.eclipse.wst.json.core.tests/src/org/eclipse/wst/json/core/internal/parser/JSONTokenizerTest.java b/json/tests/org.eclipse.wst.json.core.tests/src/org/eclipse/wst/json/core/internal/parser/JSONTokenizerTest.java
index 0ece16b..33077bb 100644
--- a/json/tests/org.eclipse.wst.json.core.tests/src/org/eclipse/wst/json/core/internal/parser/JSONTokenizerTest.java
+++ b/json/tests/org.eclipse.wst.json.core.tests/src/org/eclipse/wst/json/core/internal/parser/JSONTokenizerTest.java
@@ -23,9 +23,7 @@
 import org.junit.Assert;
 import org.junit.Test;
 
-import junit.framework.TestCase;
-
-public class JSONTokenizerTest extends TestCase {
+public class JSONTokenizerTest {
 
 	@Test
 	public void array() {