@Test
public void testCustomMessage() throws Exception {
IFile file = testUtils.addFileToProject(project.getProject(),
"foo/a.txt", "some text");
new AddToIndexOperation(Arrays.asList(file)).execute(null);
String message = "stash message";
StashCreateOperation stashCreateOperation = new StashCreateOperation(repository, message);
stashCreateOperation.execute(null);
RevWalk revWalk = new RevWalk(repository);