public void AppendCommit_ToBranch()
        {
            var streams = new BranchStreamCollection(m_commits, m_branchpoints);

            var commit = new Commit("new").WithRevision(m_f1, "1.1.2.2");

            streams.AppendCommit(commit);

            Assert.AreSame(streams.Head("branch"), commit);
            Assert.AreSame(streams["branch"].Successor, commit);
            Assert.IsTrue(commit.Index > streams["MAIN"].Index, "Index set");
        }