public void CallAddPackageWillAddNupkgFileButNoNuspecFile(string id, string version, string nuspecPath, string nupkgPath)
{
// Arrange
var fileSystem = new MockFileSystem("x:\\root");
var configFileSystem = new MockFileSystem();
var repository = new SharedPackageRepository(new DefaultPackagePathResolver(fileSystem), fileSystem, configFileSystem);
// Act
repository.AddPackage(PackageUtility.CreatePackage(id, version));
// Assert
Assert.False(fileSystem.FileExists(nuspecPath));
Assert.True(fileSystem.FileExists(nupkgPath));
}