Enforce checkstyle for unit test codes

- First time contributer is likely to start with unit-test code,
  so it is probably better to enforce the ONOS code style for
  unit test codes also.

Change-Id: Id665e55b0f0bee7232dfb18ce6a7f9ea8cc3b164
diff --git a/src/test/java/net/onrc/onos/core/intent/runtime/IntentTestMocks.java b/src/test/java/net/onrc/onos/core/intent/runtime/IntentTestMocks.java
index 3d3cdcb..1a2e1c5 100644
--- a/src/test/java/net/onrc/onos/core/intent/runtime/IntentTestMocks.java
+++ b/src/test/java/net/onrc/onos/core/intent/runtime/IntentTestMocks.java
@@ -66,7 +66,7 @@
             moduleContext = createMock(FloodlightModuleContext.class);
             final IEventChannel<Long, IntentOperationList> intentOperationChannel =
                     createMock(IEventChannel.class);
-            final IEventChannel<Long, IntentStateList>intentStateChannel =
+            final IEventChannel<Long, IntentStateList> intentStateChannel =
                     createMock(IEventChannel.class);
             persistIntent = PowerMock.createMock(PersistIntent.class);
             restApi = createMock(IRestApiService.class);