Fix broken MergeCommandTest

Test was broken by commit b087bba3 changing formatting of merge
commit messages.

Change-Id: I98b1b936b9b6cbaa50fbc59d243a43e66a6ee9f9
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

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

@@ -247,7 +247,7 @@ public class MergeCommandTest extends RepositoryTestCase {
 		assertEquals(thirdCommit, newHead.getParent(0));
 		assertEquals(secondCommit, newHead.getParent(1));
 		assertEquals(
-				"merging 3fa334456d236a92db020289fe0bf481d91777b4 into HEAD",
+				"Merge commit '3fa334456d236a92db020289fe0bf481d91777b4' into HEAD",
 				newHead.getFullMessage());
 		// @TODO fix me
 		assertEquals(RepositoryState.SAFE, db.getRepositoryState());
@@ -307,7 +307,7 @@ public class MergeCommandTest extends RepositoryTestCase {
 		assertEquals(thirdCommit, newHead.getParent(0));
 		assertEquals(secondCommit, newHead.getParent(1));
 		assertEquals(
-				"merging 064d54d98a4cdb0fed1802a21c656bfda67fe879 into HEAD",
+				"Merge commit '064d54d98a4cdb0fed1802a21c656bfda67fe879' into HEAD",
 				newHead.getFullMessage());
 
 		assertEquals(RepositoryState.SAFE, db.getRepositoryState());