Deprecate ModMplsLabelInstruction#label()

Change-Id: I1324747adaa8ccb28077aa14b208df1083f39a3f
diff --git a/core/common/src/test/java/org/onosproject/codec/impl/InstructionJsonMatcher.java b/core/common/src/test/java/org/onosproject/codec/impl/InstructionJsonMatcher.java
index dbb3bd0..72081e6 100644
--- a/core/common/src/test/java/org/onosproject/codec/impl/InstructionJsonMatcher.java
+++ b/core/common/src/test/java/org/onosproject/codec/impl/InstructionJsonMatcher.java
@@ -372,7 +372,7 @@
         }
 
         final int jsonLabel = instructionJson.get("label").intValue();
-        final int label = instructionToMatch.label();
+        final int label = instructionToMatch.mplsLabel().toInt();
         if (label != jsonLabel) {
             description.appendText("MPLS label was " + jsonLabel);
             return false;