Fix problems detected by the latest version of errorprone

Change-Id: I532d3627fa232e93ee6860bd10db64c99e78f915
diff --git a/core/api/src/test/java/org/onosproject/net/resource/ContinuousResourceIdTest.java b/core/api/src/test/java/org/onosproject/net/resource/ContinuousResourceIdTest.java
index 347762a..ecf145d 100644
--- a/core/api/src/test/java/org/onosproject/net/resource/ContinuousResourceIdTest.java
+++ b/core/api/src/test/java/org/onosproject/net/resource/ContinuousResourceIdTest.java
@@ -43,7 +43,8 @@
                 .resource(BW2.bps()).id();
 
         new EqualsTester()
-                .addEqualityGroup(id1, sameAsId1);
+                .addEqualityGroup(id1, sameAsId1)
+                .testEquals();
     }
 
     @Test