Add unit tests for ClusterMetadata

- fix a typo
Change-Id: I13f615857b82ef5bf69b437ffb8b9f82d3d7c48e
diff --git a/core/api/src/test/java/org/onosproject/cluster/LeadershipTest.java b/core/api/src/test/java/org/onosproject/cluster/LeadershipTest.java
index 04d917a..928b183 100644
--- a/core/api/src/test/java/org/onosproject/cluster/LeadershipTest.java
+++ b/core/api/src/test/java/org/onosproject/cluster/LeadershipTest.java
@@ -59,7 +59,7 @@
 
     /**
      * Tests that objects are created properly and accessor methods return
-     * the correct vsalues.
+     * the correct values.
      */
     @Test
     public void checkConstruction() {