Use auto-boxing

Change-Id: I20b7073a49cacdb552ad16389f26b60ed407390a
diff --git a/core/store/dist/src/test/java/org/onosproject/store/impl/TimestampedTest.java b/core/store/dist/src/test/java/org/onosproject/store/impl/TimestampedTest.java
index 0f67572..c47eb27 100644
--- a/core/store/dist/src/test/java/org/onosproject/store/impl/TimestampedTest.java
+++ b/core/store/dist/src/test/java/org/onosproject/store/impl/TimestampedTest.java
@@ -65,7 +65,7 @@
 
     @Test
     public final void testValue() {
-       final Integer n = Integer.valueOf(42);
+       final Integer n = 42;
        Timestamped<Integer> tsv = new Timestamped<>(n, TS_1_1);
        assertSame(n, tsv.value());