file-transfer(cdk): fix unit tests

airbyte-cdk/python/unit_tests/sources/file_based/in_memory_files_source.py

@@ -9,7 +9,7 @@
 import tempfile
 from datetime import datetime
 from io import IOBase
-from typing import Any, Iterable, List, Mapping, Optional
+from typing import Any, Iterable, List, Mapping, Optional, Dict
 
 import avro.io as ai
 import avro.schema as avro_schema
@@ -113,6 +113,9 @@ def get_matching_files(
     def file_size(self, file: RemoteFile) -> int:
         return 0
 
+    def get_file(self, file: RemoteFile, local_directory: str, logger: logging.Logger) -> Dict[str, Any]:
+        return {}
+
     def open_file(self, file: RemoteFile, mode: FileReadMode, encoding: Optional[str], logger: logging.Logger) -> IOBase:
         if self.file_type == "csv":
             return self._make_csv_file_contents(file.uri)

airbyte-cdk/python/unit_tests/sources/file_based/test_file_based_stream_reader.py

@@ -2,8 +2,9 @@
 # Copyright (c) 2023 Airbyte, Inc., all rights reserved.
 #
 
+import logging
 from io import IOBase
-from typing import Any, Iterable, List, Mapping, Optional, Set
+from typing import Any, Iterable, List, Mapping, Optional, Dict, Set
 
 import pytest
 from airbyte_cdk.sources.file_based.config.abstract_file_based_spec import AbstractFileBasedSpec
@@ -76,6 +77,9 @@ def open_file(self, file: RemoteFile) -> IOBase:
     def file_size(self, file: RemoteFile) -> int:
         return 0
 
+    def get_file(self, file: RemoteFile, local_directory: str, logger: logging.Logger) -> Dict[str, Any]:
+        return {}
+
 
 class TestSpec(AbstractFileBasedSpec):
     @classmethod