public void TestGetSortedCandidates()
{
var mainFeed = FeedTest.CreateTestFeed();
mainFeed.Feeds.Clear();
_feedManagerMock.Setup(x => x[FeedTest.Test1Uri]).Returns(mainFeed);
_packageManagerMock.Setup(x => x.Query((PackageImplementation)mainFeed.Elements[1])).Returns(Enumerable.Empty <ExternalImplementation>());
var requirements = new Requirements(FeedTest.Test1Uri, Command.NameRun);
_provider.GetSortedCandidates(requirements).Should().Equal(
new SelectionCandidate(FeedTest.Test1Uri, new FeedPreferences(), (Implementation)mainFeed.Elements[0], requirements));
}