commitOneFileChange("on side");
git.checkout().setName("master").call();
commitOneFileChange("on master");
git.merge().include(repository.getRef("side")).call();
assertEquals(RepositoryState.MERGING, repository.getRepositoryState());
StagingViewTester stagingView = StagingViewTester
.openStagingView();
assertEquals("", stagingView.getCommitMessage());