RepositoryResolveTest: Open Git in try-with-resource

Change-Id: Ibb612f3d8fd0f9913291430474311d9da62f4e6f
Signed-off-by: David Pursehouse <david.pursehouse@sonymobile.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryResolveTest.java

@@ -267,35 +267,37 @@ public class RepositoryResolveTest extends SampleDataRepositoryTestCase {
 
 	@Test
 	public void resolveExprSimple() throws Exception {
-		Git git = new Git(db);
-		writeTrashFile("file.txt", "content");
-		git.add().addFilepattern("file.txt").call();
-		git.commit().setMessage("create file").call();
-		assertEquals("master", db.simplify("master"));
-		assertEquals("refs/heads/master", db.simplify("refs/heads/master"));
-		assertEquals("HEAD", db.simplify("HEAD"));
+		try (Git git = new Git(db)) {
+			writeTrashFile("file.txt", "content");
+			git.add().addFilepattern("file.txt").call();
+			git.commit().setMessage("create file").call();
+			assertEquals("master", db.simplify("master"));
+			assertEquals("refs/heads/master", db.simplify("refs/heads/master"));
+			assertEquals("HEAD", db.simplify("HEAD"));
+		}
 	}
 
 	@Test
 	public void resolveUpstream() throws Exception {
-		Git git = new Git(db);
-		writeTrashFile("file.txt", "content");
-		git.add().addFilepattern("file.txt").call();
-		RevCommit c1 = git.commit().setMessage("create file").call();
-		writeTrashFile("file2.txt", "content");
-		RefUpdate updateRemoteRef = db.updateRef("refs/remotes/origin/main");
-		updateRemoteRef.setNewObjectId(c1);
-		updateRemoteRef.update();
-		db.getConfig().setString("branch", "master", "remote", "origin");
-		db.getConfig()
-				.setString("branch", "master", "merge", "refs/heads/main");
-		db.getConfig().setString("remote", "origin", "url",
-				"git://example.com/here");
-		db.getConfig().setString("remote", "origin", "fetch",
-				"+refs/heads/*:refs/remotes/origin/*");
-		git.add().addFilepattern("file2.txt").call();
-		git.commit().setMessage("create file").call();
-		assertEquals("refs/remotes/origin/main", db.simplify("@{upstream}"));
+		try (Git git = new Git(db)) {
+			writeTrashFile("file.txt", "content");
+			git.add().addFilepattern("file.txt").call();
+			RevCommit c1 = git.commit().setMessage("create file").call();
+			writeTrashFile("file2.txt", "content");
+			RefUpdate updateRemoteRef = db.updateRef("refs/remotes/origin/main");
+			updateRemoteRef.setNewObjectId(c1);
+			updateRemoteRef.update();
+			db.getConfig().setString("branch", "master", "remote", "origin");
+			db.getConfig()
+					.setString("branch", "master", "merge", "refs/heads/main");
+			db.getConfig().setString("remote", "origin", "url",
+					"git://example.com/here");
+			db.getConfig().setString("remote", "origin", "fetch",
+					"+refs/heads/*:refs/remotes/origin/*");
+			git.add().addFilepattern("file2.txt").call();
+			git.commit().setMessage("create file").call();
+			assertEquals("refs/remotes/origin/main", db.simplify("@{upstream}"));
+		}
 	}
 
 	@Test