Organized imports for test classes

Change-Id: I2e813769b4036be4a125f9e92c58896c1893d13f
diff --git a/src/test/java/net/floodlightcontroller/util/TimedCacheTest.java b/src/test/java/net/floodlightcontroller/util/TimedCacheTest.java
index 5e70641..7f06c0d 100644
--- a/src/test/java/net/floodlightcontroller/util/TimedCacheTest.java
+++ b/src/test/java/net/floodlightcontroller/util/TimedCacheTest.java
@@ -1,6 +1,6 @@
 package net.floodlightcontroller.util;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
 
 import org.junit.Before;
 import org.junit.Test;