fix(tests): resolve ruff E501 line-too-long and F401 unused import

Break long test method signatures and constructor args to stay within
120-char limit. Remove unused json import.

Author: jariy17

tests/bedrock_agentcore/memory/integrations/strands/test_agentcore_memory_session_manager.py

@@ -1620,7 +1620,6 @@ def test_mixed_sessions_with_blobs_and_conversational(self, batching_session_man
 
         Note: Tests internal grouping logic by directly manipulating buffer.
         """
-        import json
         from datetime import datetime, timezone
 
         conv_calls = {}
@@ -1757,7 +1756,9 @@ def test_context_manager_flushes_on_exception(self, batching_session_manager, mo
         assert batching_session_manager.pending_message_count() == 0
         mock_memory_client.create_event.assert_called_once()
 
-    def test_exit_preserves_original_exception_when_flush_fails(self, batching_session_manager, mock_memory_client, caplog):
+    def test_exit_preserves_original_exception_when_flush_fails(
+        self, batching_session_manager, mock_memory_client, caplog
+    ):
         """Test __exit__ logs flush failure and preserves the original exception."""
         mock_memory_client.create_event.side_effect = RuntimeError("flush failed")
 
@@ -1777,7 +1778,9 @@ def test_exit_preserves_original_exception_when_flush_fails(self, batching_sessi
             for record in caplog.records
         )
 
-    def test_exit_raises_flush_exception_when_no_original_exception(self, batching_session_manager, mock_memory_client, caplog):
+    def test_exit_raises_flush_exception_when_no_original_exception(
+        self, batching_session_manager, mock_memory_client, caplog
+    ):
         """Test __exit__ still raises flush exceptions when no original exception."""
         mock_memory_client.create_event.side_effect = RuntimeError("flush failed")
 

tests/bedrock_agentcore/memory/integrations/strands/test_bedrock_converter.py

@@ -268,7 +268,9 @@ def test_events_to_messages_single_event_multiple_payloads_preserves_order(self)
         """Test one event with 3 conversational payloads preserves payload order."""
         msgs = [
             SessionMessage(
-                message_id=i, message={"role": "user", "content": [{"text": f"msg{i}"}]}, created_at="2023-01-01T00:00:00Z"
+                message_id=i,
+                message={"role": "user", "content": [{"text": f"msg{i}"}]},
+                created_at="2023-01-01T00:00:00Z",
             )
             for i in range(1, 4)
         ]