DfsBlockCacheConfigTest: suppress boxing warning on test class

Change-Id: Ibe7edc5e53c3d467e0e6144a3f8a32989f1ac6af
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java
index 6ca0ff6..c93f48d 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfigTest.java
@@ -61,6 +61,7 @@
 import org.eclipse.jgit.lib.Config;
 import org.junit.Test;
 
+@SuppressWarnings("boxing")
 public class DfsBlockCacheConfigTest {
 
 	@Test
@@ -71,7 +72,6 @@ public void blockSizeNotPowerOfTwoExpectsException() {
 	}
 
 	@Test
-	@SuppressWarnings("boxing")
 	public void negativeBlockSizeIsConvertedToDefault() {
 		DfsBlockCacheConfig config = new DfsBlockCacheConfig();
 		config.setBlockSize(-1);
@@ -80,7 +80,6 @@ public void negativeBlockSizeIsConvertedToDefault() {
 	}
 
 	@Test
-	@SuppressWarnings("boxing")
 	public void tooSmallBlockSizeIsConvertedToDefault() {
 		DfsBlockCacheConfig config = new DfsBlockCacheConfig();
 		config.setBlockSize(10);
@@ -89,7 +88,6 @@ public void tooSmallBlockSizeIsConvertedToDefault() {
 	}
 
 	@Test
-	@SuppressWarnings("boxing")
 	public void validBlockSize() {
 		DfsBlockCacheConfig config = new DfsBlockCacheConfig();
 		config.setBlockSize(65536);