public void CopyFiles_Should_Copy_Files_Between_Two_Directories() { using (FileStream stream = File.Create(Path.Combine(_path, _testFolder, _sourceFolder, "file.txt"))){}; _sut.CopyFiles(Path.Combine(_path, _testFolder, _sourceFolder), Path.Combine(_path, _testFolder, _destinationFolder)); Assert.IsTrue(Directory.GetFiles(Path.Combine(_path, _testFolder, _destinationFolder)).Any()); }