[Tests] Fix ChatGLMTokenizer

src/diffusers/pipelines/kolors/tokenizer.py

@@ -277,6 +277,7 @@ def _pad(
         padding_strategy: PaddingStrategy = PaddingStrategy.DO_NOT_PAD,
         pad_to_multiple_of: Optional[int] = None,
         return_attention_mask: Optional[bool] = None,
+        padding_side: Optional[bool] = None,
     ) -> dict:
         """
         Pad encoded inputs (on left/right and up to predefined length or max length in the batch)
@@ -298,6 +299,9 @@ def _pad(
             pad_to_multiple_of: (optional) Integer if set will pad the sequence to a multiple of the provided value.
                 This is especially useful to enable the use of Tensor Core on NVIDIA hardware with compute capability
                 `>= 7.5` (Volta).
+            padding_side (`str`, *optional*):
+                The side on which the model should have padding applied. Should be selected between ['right', 'left'].
+                Default value is picked from the class attribute of the same name.
             return_attention_mask:
                 (optional) Set to False to avoid returning attention mask (default: set to model specifics)
         """