Avoid many failing tests in doctesting (#27262)

* fix

* update

* update

* fix

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Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

utils/check_doctest_list.py

@@ -54,7 +54,7 @@ def clean_doctest_list(doctest_file: str, overwrite: bool = False):
     all_paths = []
     with open(doctest_file, "r", encoding="utf-8") as f:
         for line in f:
-            line = line.strip()
+            line = line.strip().split(" ")[0]
             path = os.path.join(REPO_PATH, line)
             if not (os.path.isfile(path) or os.path.isdir(path)):
                 non_existent_paths.append(line)