public void CbfFilesShouldSkipProcessing() { //arrange var marketFileModelArray = new[] { new MarketFileModel { FileType = "CBF" } }; marketDataAccess.Stub(x => x.ListEncryptedOutboundMarketFiles()).Return(marketFileModelArray); //act task.Execute(transmitFileContext, CancellationToken.None); //assert clientDataAccess.AssertWasNotCalled(x => x.ListCspDunsPort()); }