Fix failing tokenizer tests (#31083)

* Fix failing tokenizer tests

* Use small tokenizer

* Fix remaining reference

tests/models/cohere/test_tokenization_cohere.py

@@ -29,7 +29,7 @@ class CohereTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
     test_rust_tokenizer = True
     test_slow_tokenizer = False
     from_pretrained_vocab_key = "tokenizer_file"
-    from_pretrained_id = "CohereForAI/c4ai-command-r-v01"
+    from_pretrained_id = "hf-internal-testing/tiny-random-CohereForCausalLM"
     special_tokens_map = {
         "bos_token": "<BOS_TOKEN>",
         "eos_token": "<|END_OF_TURN_TOKEN|>",
@@ -39,7 +39,7 @@ class CohereTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
 
     def setUp(self):
         super().setUp()
-        tokenizer = CohereTokenizerFast.from_pretrained("CohereForAI/c4ai-command-r-v01")
+        tokenizer = CohereTokenizerFast.from_pretrained("hf-internal-testing/tiny-random-CohereForCausalLM")
         tokenizer.save_pretrained(self.tmpdirname)
 
     def get_rust_tokenizer(self, **kwargs):
@@ -57,7 +57,10 @@ class CohereTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         tokenizer = self.get_rust_tokenizer()
 
         INPUT_SENTENCES = ["The quick brown fox<|END_OF_TURN_TOKEN|>", "jumps over the lazy dog<|END_OF_TURN_TOKEN|>"]
-        TARGET_TOKENS = [[5, 2162, 6629, 19883, 73388, 255001], [5, 81, 25092, 2515, 1690, 46189, 9507, 255001]]
+        TARGET_TOKENS = [
+            [5, 60, 203, 746, 666, 980, 571, 222, 87, 96, 8],
+            [5, 82, 332, 88, 91, 544, 206, 257, 930, 97, 239, 435, 8],
+        ]
 
         computed_tokens = tokenizer.batch_encode_plus(INPUT_SENTENCES)["input_ids"]
         self.assertListEqual(TARGET_TOKENS, computed_tokens)
@@ -141,34 +144,17 @@ class CohereTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
             ],
         ]
         tokenized_chats = [tokenizer.apply_chat_template(test_chat) for test_chat in test_chats]
+        # fmt: off
         expected_tokens = [
-            [5, 255000, 255008, 5659, 1955, 1671, 19264, 171597, 21, 255001, 255000, 255006, 28339, 8, 255001],
-            [
-                5,
-                255000,
-                255008,
-                5659,
-                1955,
-                1671,
-                19264,
-                171597,
-                21,
-                255001,
-                255000,
-                255006,
-                28339,
-                8,
-                255001,
-                255000,
-                255007,
-                97190,
-                1726,
-                5694,
-                1933,
-                21,
-                255001,
-            ],
+            [5, 36, 99, 59, 60, 41, 58, 60, 71, 55, 46, 71, 60, 61, 58, 54, 71, 60, 55, 51, 45, 54, 99, 38, 36, 99, 59, 65, 59, 60, 45, 53, 71, 60, 55, 51, 45, 54, 99, 38, 65, 243, 394, 204, 336, 84, 88, 887, 374, 216, 74, 286, 22, 8, 36, 99, 59, 60, 41, 58, 60, 71, 55, 46, 71, 60, 61, 58, 54, 71, 60, 55, 51, 45, 54, 99, 38, 36, 99, 61, 59, 45, 58, 71, 60, 55, 51, 45, 54, 99, 38, 48, 420, 87, 9, 8],
+            [5, 36, 99, 59, 60, 41, 58, 60, 71, 55, 46, 71, 60, 61, 58, 54, 71, 60, 55, 51, 45, 54, 99, 38, 36, 99, 59, 65,
+            59, 60, 45, 53, 71, 60, 55, 51, 45, 54, 99, 38, 65, 243, 394, 204, 336, 84, 88, 887, 374, 216, 74, 286, 22, 8,
+            36, 99, 59, 60, 41, 58, 60, 71, 55, 46, 71, 60, 61, 58, 54, 71, 60, 55, 51, 45, 54, 99, 38, 36, 99, 61, 59,
+            45, 58, 71, 60, 55, 51, 45, 54, 99, 38, 48, 420, 87, 9, 8, 36, 99, 59, 60, 41, 58, 60, 71, 55, 46, 71, 60, 61,
+            58, 54, 71, 60, 55, 51, 45, 54, 99, 38, 36, 99, 43, 48, 41, 60, 42, 55, 60, 71, 60, 55, 51, 45, 54, 99, 38,
+            54, 567, 235, 693, 276, 411, 243, 22, 8]
         ]
+        # fmt: on
         for tokenized_chat, expected_tokens in zip(tokenized_chats, expected_tokens):
             self.assertListEqual(tokenized_chat, expected_tokens)