Revert "python314Packages.llm: disable failing tests" (#478120)

  fetchFromGitHub,

  fetchpatch,

  pytestCheckHook,

  pythonAtLeast,

  pythonOlder,

  replaceVars,

  setuptools,

      # TypeError: CliRunner.__init__() got an unexpected keyword argument 'mix_stderr

      # https://github.com/simonw/llm/issues/1293

      "test_embed_multi_files_encoding"

    ]

    ++ lib.optionals (pythonAtLeast "3.14") [

      # Index out of range

      # https://github.com/simonw/llm/issues/1335

      "test_logs_fragments"

      "test_expand_fragment_json"

      "test_expand_fragment_markdown"

    ];

    pythonImportsCheck = [ "llm" ];