Various small fixes

Change-Id: I83802169d0d968f7b88d4be2cedba74b15fdd7da
diff --git a/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java b/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java
index c0137c8..19c34bd 100644
--- a/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java
+++ b/core/api/src/test/java/org/onosproject/store/service/DocumentPathTest.java
@@ -73,6 +73,7 @@
         DocumentPath path1 = exceptions("node|name", parentPath);
     }
 
+    @SuppressWarnings("SelfComparison")
     @Test
     public void comparePaths() {
         DocumentPath one = path("root");