public void BeginEdit_ValidSelectedRequestForQuote_ClonedToBackupOfRequestForQuote() { // Arrange viewModel.backupOfRequestForQuote = null; viewModel.SelectedRequestForQuote = new RequestForQuoteImpl() { Identifier = 1000 }; // Act viewModel.BeginEdit(); // Assert Assert.IsTrue(viewModel.backupOfRequestForQuote.Identifier == 1000, "because it is cloned by BeginEdit method"); }