Unit tests for applications REST APIs

Change-Id: I4e8360ca9b0ca9eafe1b226b648acfe2b0676caa
diff --git a/web/api/src/test/java/org/onosproject/codec/impl/MockCodecContext.java b/web/api/src/test/java/org/onosproject/codec/impl/MockCodecContext.java
index f49e829..25a4fbb 100644
--- a/web/api/src/test/java/org/onosproject/codec/impl/MockCodecContext.java
+++ b/web/api/src/test/java/org/onosproject/codec/impl/MockCodecContext.java
@@ -23,7 +23,7 @@
 /**
  * Mock codec context for use in codec unit tests.
  */
-public final class MockCodecContext implements CodecContext {
+public class MockCodecContext implements CodecContext {
 
     private ObjectMapper mapper = new ObjectMapper();
     private CodecManager manager = new CodecManager();