Changing Intent Ids to use explicit id assignment

Change-Id: I5a4bff87842c37a869e7691b353529eaefc929db
diff --git a/core/net/src/test/java/org/onlab/onos/net/intent/impl/PathConstraintCalculationTest.java b/core/net/src/test/java/org/onlab/onos/net/intent/impl/PathConstraintCalculationTest.java
index 548ea37..a9705d7 100644
--- a/core/net/src/test/java/org/onlab/onos/net/intent/impl/PathConstraintCalculationTest.java
+++ b/core/net/src/test/java/org/onlab/onos/net/intent/impl/PathConstraintCalculationTest.java
@@ -22,6 +22,7 @@
 import org.onlab.onos.net.flow.FlowRuleBatchOperation;
 import org.onlab.onos.net.flow.TrafficSelector;
 import org.onlab.onos.net.flow.TrafficTreatment;
+import org.onlab.onos.net.intent.AbstractIntentTest;
 import org.onlab.onos.net.intent.Constraint;
 import org.onlab.onos.net.intent.Intent;
 import org.onlab.onos.net.intent.IntentTestsMocks;
@@ -46,7 +47,7 @@
  * Unit tests for calculating paths for intents with constraints.
  */
 
-public class PathConstraintCalculationTest {
+public class PathConstraintCalculationTest extends AbstractIntentTest {
 
     /**
      * Creates a point to point intent compiler for a three switch linear