public void AmendCommitTest()
{
GitRepository.Init(tempFolder);
File.WriteAllLines(tempFilePath, lines);
GitRepository tracker = new GitRepository(tempFolder);
tracker.StageFile(tempFile);
tracker.Commit("中文 1čtestč");
Assert.IsTrue(tracker.LastCommitMessage.Equals("中文 1čtestč"));
File.WriteAllText(tempFile, "changed text");
tracker.StageFile(tempFile);
tracker.Commit("new message", true);
Assert.IsTrue(tracker.LastCommitMessage.Equals("new message"));
}