MergeCommandTest: Open TestRepository in try-with-resource

Change-Id: If620f6a98c5e8436a3edb4ee365ec02f41d0ea6a
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/api/MergeCommandTest.java

@@ -1557,32 +1557,37 @@ public class MergeCommandTest extends RepositoryTestCase {
 
 	@Test
 	public void testRecursiveMergeWithConflict() throws Exception {
-		TestRepository<Repository> db_t = new TestRepository<>(db);
-		BranchBuilder master = db_t.branch("master");
-		RevCommit m0 = master.commit().add("f", "1\n2\n3\n4\n5\n6\n7\n8\n9\n")
-				.message("m0").create();
-		RevCommit m1 = master.commit()
-				.add("f", "1-master\n2\n3\n4\n5\n6\n7\n8\n9\n").message("m1")
-				.create();
-		db_t.getRevWalk().parseCommit(m1);
-
-		BranchBuilder side = db_t.branch("side");
-		RevCommit s1 = side.commit().parent(m0)
-				.add("f", "1\n2\n3\n4\n5\n6\n7\n8\n9-side\n").message("s1")
-				.create();
-		RevCommit s2 = side.commit().parent(m1)
-				.add("f", "1-master\n2\n3\n4\n5\n6\n7-res(side)\n8\n9-side\n")
-				.message("s2(merge)").create();
-		master.commit().parent(s1)
-				.add("f", "1-master\n2\n3\n4\n5\n6\n7-conflict\n8\n9-side\n")
-				.message("m2(merge)").create();
-
-		Git git = Git.wrap(db);
-		git.checkout().setName("master").call();
-
-		MergeResult result = git.merge().setStrategy(MergeStrategy.RECURSIVE)
-				.include("side", s2).call();
-		assertEquals(MergeStatus.CONFLICTING, result.getMergeStatus());
+		try (TestRepository<Repository> db_t = new TestRepository<>(db)) {
+			BranchBuilder master = db_t.branch("master");
+			RevCommit m0 = master.commit()
+					.add("f", "1\n2\n3\n4\n5\n6\n7\n8\n9\n").message("m0")
+					.create();
+			RevCommit m1 = master.commit()
+					.add("f", "1-master\n2\n3\n4\n5\n6\n7\n8\n9\n")
+					.message("m1").create();
+			db_t.getRevWalk().parseCommit(m1);
+
+			BranchBuilder side = db_t.branch("side");
+			RevCommit s1 = side.commit().parent(m0)
+					.add("f", "1\n2\n3\n4\n5\n6\n7\n8\n9-side\n").message("s1")
+					.create();
+			RevCommit s2 = side.commit().parent(m1)
+					.add("f",
+							"1-master\n2\n3\n4\n5\n6\n7-res(side)\n8\n9-side\n")
+					.message("s2(merge)").create();
+			master.commit().parent(s1)
+					.add("f",
+							"1-master\n2\n3\n4\n5\n6\n7-conflict\n8\n9-side\n")
+					.message("m2(merge)").create();
+
+			Git git = Git.wrap(db);
+			git.checkout().setName("master").call();
+
+			MergeResult result = git.merge()
+					.setStrategy(MergeStrategy.RECURSIVE).include("side", s2)
+					.call();
+			assertEquals(MergeStatus.CONFLICTING, result.getMergeStatus());
+		}
 	}
 
 	private Ref prepareSuccessfulMerge(Git git) throws Exception {