public void ActualNamespaceIsNotOneOfTheSystemsXmlNamespaces_ShouldReturnSchemaError_IncludingExpectedNamespaceInMessage() { var result = new NamespaceValidator().Validate(XmlNamespace.MemberRegistration, "Any old rubbish"); var error = result.Single(); Assert.Equal(ErrorLevel.Error, error.ErrorLevel); Assert.Contains(XmlNamespace.MemberRegistration.NamespaceName, error.Message); }