gh-153679: Trim the test comment and NEWS wording

Author: tonghuaroot

Lib/test/test_zipimport.py

@@ -1075,9 +1075,7 @@ def testNotZipFile(self):
         self.assertZipFailure(TESTMOD)
 
     def testInvalidUTF8FileName(self):
-        # A central directory entry that sets the UTF-8 file name flag (0x800)
-        # but stores bytes that are not valid UTF-8 must raise ZipImportError
-        # rather than leaking a UnicodeDecodeError.
+        # A UTF-8-flagged file name that is not valid UTF-8 raises ZipImportError.
         UTF8_FLAG = 0x800
         name = b'\xff\xfe\xff'
         cdh = b'PK\x01\x02' + struct.pack(

Misc/NEWS.d/next/Library/2026-07-13-00-10-00.gh-issue-153679.RJ2WGB.rst

@@ -1,4 +1,3 @@
 :class:`zipimport.zipimporter` now raises :exc:`zipimport.ZipImportError`
-instead of :exc:`UnicodeDecodeError` when a central directory entry sets the
-UTF-8 file name flag but stores a file name that is not valid UTF-8.
-Patch by tonghuaroot.
+instead of :exc:`UnicodeDecodeError` for a UTF-8-flagged file name that is not
+valid UTF-8. Patch by tonghuaroot.