public void SyntaxReceiver_finds_root_class_via_interface(bool useVB)
{
var(source, expectedType) = useVB
? (vbSource, typeof(VB.ClassBlockSyntax))
: (cSharpSource, typeof(CSharp.ClassDeclarationSyntax));
var receiver = Utils.Receiver(useVB);
var classDeclarations = Utils.ClassDeclarations(useVB, source);
receiver = VisitSyntaxNodes(receiver, classDeclarations);
receiver.Candidates.Should().HaveCount(1);
var poco = receiver.Candidates.First();
poco.Should().BeOfType(expectedType);
GetName(useVB, poco).Should().Be("CliRoot");
}