fix: UT error

Link: https://code.alibaba-inc.com/Ali-MaaS/MaaS-lib/codereview/8899458

    * fix: UT error

configs/nlp/sequence_classification_trainer.yaml

@@ -51,7 +51,7 @@ train:
   num_steps: 100000
 
 evaluation: # [being used]
-  model_path: .cache/easynlp/bert-base-sst2
+  model_path: .cache/easynlp/
   max_sequence_length: 128
   batch_size: 32
   metrics:

tests/pipelines/test_text_classification.py

@@ -42,7 +42,7 @@ class SequenceClassificationTest(unittest.TestCase):
 
         with zipfile.ZipFile(cache_path_str, 'r') as zipf:
             zipf.extractall(cache_path.parent)
-        path = r'.cache/easynlp/bert-base-sst2'
+        path = r'.cache/easynlp/'
         model = SequenceClassificationModel(path)
         preprocessor = SequenceClassificationPreprocessor(
             path, first_sequence='sentence', second_sequence=None)
@@ -74,7 +74,7 @@ class SequenceClassificationTest(unittest.TestCase):
 
         with zipfile.ZipFile(cache_path_str, 'r') as zipf:
             zipf.extractall(cache_path.parent)
-        path = r'.cache/easynlp/bert-base-sst2'
+        path = r'.cache/easynlp/'
         model = SequenceClassificationModel(path)
         preprocessor = SequenceClassificationPreprocessor(
             path, first_sequence='sentence', second_sequence=None)