Microsoft.VisualStudio.LanguageServices.UnitTests.Microsoft.VisualStudio.LanguageServices.UnitTests.CodeModel.AbstractCodeModelObjectTests(Of TCodeModelObject).TestAddAttribute(XElement, XElement, Microsoft.VisualStudio.LanguageServices.UnitTests.Microsoft.VisualStudio.LanguageServices.UnitTests.CodeModel.AbstractCodeModelObjectTests(Of TCodeModelObject).AttributeData)