Microsoft.VisualStudio.LanguageServices.UnitTests.Microsoft.VisualStudio.LanguageServices.UnitTests.CodeModel.AbstractCodeModelObjectTests(Of TCodeModelObject).TestAddInterface(XElement, XElement, Microsoft.VisualStudio.LanguageServices.UnitTests.Microsoft.VisualStudio.LanguageServices.UnitTests.CodeModel.AbstractCodeModelObjectTests(Of TCodeModelObject).InterfaceData)