private static IEnumerable<AnalysisValue> GetTestCaseClasses(ModuleAnalysis analysis) {
return analysis.GetAllAvailableMembersByIndex(0)
.SelectMany(m => analysis.GetValuesByIndex(m.Name, 0))
.Where(v => v.MemberType == PythonMemberType.Class)
.Where(v => v.Mro.SelectMany(v2 => v2).Any(IsTestCaseClass));
}
