SmartClientSmartServerTest: Open TestRepository in try-with-resource

Change-Id: If1351920398f574b5b93be55868c157c3cd15290
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java

@@ -1008,8 +1008,12 @@ public class SmartClientSmartServerTest extends HttpTestCase {
 
 		// Create a new commit on the remote.
 		//
-		b = new TestRepository<>(remoteRepository).branch(master);
+		RevCommit Z;
-		RevCommit Z = b.commit().message("Z").create();
+		try (TestRepository<Repository> tr = new TestRepository<>(
+				remoteRepository)) {
+			b = tr.branch(master);
+			Z = b.commit().message("Z").create();
+		}
 
 		// Now incrementally update.
 		//
@@ -1068,8 +1072,12 @@ public class SmartClientSmartServerTest extends HttpTestCase {
 
 		// Create a new commit on the remote.
 		//
-		b = new TestRepository<>(remoteRepository).branch(master);
+		RevCommit Z;
-		RevCommit Z = b.commit().message("Z").create();
+		try (TestRepository<Repository> tr = new TestRepository<>(
+				remoteRepository)) {
+			b = tr.branch(master);
+			Z = b.commit().message("Z").create();
+		}
 
 		// Now incrementally update.
 		//