Add case to handle redirect by using JavaScript to pass test suites

Author: yasulab

test-directory-structure.py

@@ -15,6 +15,7 @@
 
 class Parser(HTMLParser):
     """
+    <h1>Redirecting&hellip;</h1> または
     <meta http-equiv="refresh"> を含むファイルを検査の対象から除外する
     """
 
@@ -34,6 +35,10 @@ def handle_starttag(self, tag: str, attrs: list[tuple[str, str | None]]) -> None
                 self.is_redirect = True
                 break
 
+    def handle_data(self, data: str) -> None:
+        if "Redirecting" in data:
+            self.is_redirect = True
+
 
 def is_redirect(path: str) -> bool:
     with open(path) as fp: