fix: resolve CI formatting issues in tests/conftest.py

- Remove unused typing imports (Dict, Any, List)
- Fix trailing whitespace on import lines
- Fix blank lines containing whitespace
- Sort import block correctly

tests/conftest.py

@@ -1,20 +1,13 @@
+"""Test configuration and fixtures."""
+
 import json
 import os
 import tempfile
-from typing import Dict, Any, List
 
 import pytest
 
-from api_snapshot.recorder.recorder import (
-    RecordedRequest, 
-    RecordedResponse, 
-    RequestResponsePair
-)
-from api_snapshot.snapshot.manager import (
-    Snapshot, 
-    SnapshotMetadata, 
-    SnapshotManager
-)
+from api_snapshot.recorder.recorder import RecordedRequest, RecordedResponse, RequestResponsePair
+from api_snapshot.snapshot.manager import Snapshot, SnapshotManager, SnapshotMetadata
 
 
 @pytest.fixture