Support RADIUS server outside of the ONOS network

Change-Id: I7e64faae6831467e084db878e02023d40fb33f07
diff --git a/src/test/java/org/onosproject/aaa/StateMachineTest.java b/src/test/java/org/onosproject/aaa/StateMachineTest.java
index 04837e8..1838c63 100644
--- a/src/test/java/org/onosproject/aaa/StateMachineTest.java
+++ b/src/test/java/org/onosproject/aaa/StateMachineTest.java
@@ -21,7 +21,9 @@
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
-import static org.junit.Assert.*;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
 
 
 public class StateMachineTest {