Changed the way ProviderId is made to include URI scheme portion.
diff --git a/core/api/src/test/java/org/onlab/onos/net/TestDeviceParams.java b/core/api/src/test/java/org/onlab/onos/net/TestDeviceParams.java
index afaf23e..7471a2d 100644
--- a/core/api/src/test/java/org/onlab/onos/net/TestDeviceParams.java
+++ b/core/api/src/test/java/org/onlab/onos/net/TestDeviceParams.java
@@ -17,7 +17,7 @@
  */
 public abstract class TestDeviceParams {
 
-    protected static final ProviderId PID = new ProviderId("foo");
+    protected static final ProviderId PID = new ProviderId("of", "foo");
     protected static final DeviceId DID1 = deviceId("of:foo");
     protected static final DeviceId DID2 = deviceId("of:bar");
     protected static final MacAddress MAC1 = MacAddress.valueOf("00:11:00:00:00:01");