Make REST API unit tests choose a free port to allow concurrent builds

Change-Id: I05579d38e9374c40ef67251a30869361e31fc6d8
diff --git a/web/api/src/test/java/org/onosproject/rest/TopologyResourceTest.java b/web/api/src/test/java/org/onosproject/rest/TopologyResourceTest.java
index 7f3938c..d25fd59 100644
--- a/web/api/src/test/java/org/onosproject/rest/TopologyResourceTest.java
+++ b/web/api/src/test/java/org/onosproject/rest/TopologyResourceTest.java
@@ -43,7 +43,6 @@
 import com.eclipsesource.json.JsonObject;
 import com.google.common.collect.ImmutableSet;
 import com.sun.jersey.api.client.WebResource;
-import com.sun.jersey.test.framework.JerseyTest;
 
 import static org.hamcrest.Matchers.hasSize;
 import static org.hamcrest.Matchers.is;
@@ -56,7 +55,7 @@
 /**
  * Unit tests for Topology REST APIs.
  */
-public class TopologyResourceTest extends JerseyTest {
+public class TopologyResourceTest extends ResourceTest {
 
     private static class MockTopology implements Topology {
         @Override
@@ -172,11 +171,6 @@
         }
     }
 
-    public TopologyResourceTest() {
-        super("org.onosproject.rest");
-    }
-
-
     /**
      * Initializes the test harness.
      */