test: recategorize llm based astream_incremental & add versions with mocks#567

planetf1 merged 4 commits intogenerative-computing:maingenerative-computing/mellea:mainfrom

planetf1:fix/issue-562-mark-astream-qualitativeplanetf1/mellea:fix/issue-562-mark-astream-qualitativeCopy head branch name to clipboard