public void PropertyAnnotator_WithReadonlyPropertyInInterface_DoesNotAnnotateNullable() { var(semantic, syntax) = CompiledSourceFileProvider.CompileInNameSpace("TestNamespace", @"public interface ITest { string Property { get; } }"); var annotator = new PropertyNullAnnotator(semantic); var annotated = annotator.Visit(syntax); Assert.That(annotated, Is.EqualTo(syntax)); }