public void clean_deletes_the_packages_folder_in_all_mode()
{
var solution = new Solution(new SolutionConfig(){
SourceFolder = "src"
}, "directory1");
var fileSystem = DataMother.MockedFileSystem();
solution.Clean(fileSystem, CleanMode.all);
fileSystem.AssertWasCalled(x => x.DeleteDirectory("directory1".ToFullPath(), "src", "packages"));
}