ONOS-2037: Fix cast exception on execution of "flows -j" command

Change-Id: If481573f405d812b0b103e1752a559d8f81d6bd8
diff --git a/core/common/src/test/java/org/onosproject/codec/impl/IntentCodecTest.java b/core/common/src/test/java/org/onosproject/codec/impl/IntentCodecTest.java
index 94a5bda..2c2e488 100644
--- a/core/common/src/test/java/org/onosproject/codec/impl/IntentCodecTest.java
+++ b/core/common/src/test/java/org/onosproject/codec/impl/IntentCodecTest.java
@@ -31,11 +31,13 @@
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.HostId;
 import org.onosproject.net.NetTestTools;
+import org.onosproject.net.OchSignalType;
 import org.onosproject.net.PortNumber;
 import org.onosproject.net.flow.DefaultTrafficSelector;
 import org.onosproject.net.flow.DefaultTrafficTreatment;
 import org.onosproject.net.flow.TrafficSelector;
 import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.criteria.Criteria;
 import org.onosproject.net.intent.AbstractIntentTest;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.HostToHostIntent;
@@ -139,7 +141,7 @@
         final TrafficSelector selector = DefaultTrafficSelector.builder()
                 .matchIPProtocol((byte) 3)
                 .matchMplsLabel(MplsLabel.mplsLabel(4))
-                .matchOpticalSignalType((short) 5)
+                .add(Criteria.matchOchSignalType(OchSignalType.FIXED_GRID))
                 .matchLambda((short) 6)
                 .matchEthDst(MacAddress.BROADCAST)
                 .matchIPDst(IpPrefix.valueOf("1.2.3.4/24"))