remove docstring tests

Author: ifduyue

tests/test_hashlib_compat.py

@@ -39,21 +39,6 @@ def test_str_rejected_update(self):
                     'Strings must be encoded before hashing'):
                 obj.update('hello')
 
-    # ── docstrings reflect bytes-only input ─────────────────────────
-
-    def test_update_docstring(self):
-        for algo in ('xxh32', 'xxh64', 'xxh3_64', 'xxh3_128'):
-            obj = getattr(xxhash, algo)()
-            doc = obj.update.__doc__
-            self.assertIn('bytes-like', doc)
-            self.assertNotIn('string', doc)
-
-    def test_digest_docstring(self):
-        for algo in ('xxh32', 'xxh64', 'xxh3_64', 'xxh3_128'):
-            obj = getattr(xxhash, algo)()
-            doc = obj.digest.__doc__
-            self.assertNotIn('strings passed', doc)
-
     # ── data keyword ───────────────────────────────────────────────
 
     def test_data_keyword(self):