test(adk): update tests for save_input_blobs_as_artifacts=False

- test_default_run_config_returns_valid_config: expect False instead of
  True now that we preserve inline data for multimodal support
- test_from_app_with_unsupported_mime_type: allow RUN_ERROR since the
  invalid mime type blob now reaches the API instead of being stored
  as an artifact

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: contextablemark

integrations/adk-middleware/python/tests/test_context_handling.py

@@ -373,7 +373,7 @@ def test_default_run_config_returns_valid_config(self, adk_agent):
 
         assert run_config is not None
         assert run_config.streaming_mode == StreamingMode.SSE
-        assert run_config.save_input_blobs_as_artifacts is True
+        assert run_config.save_input_blobs_as_artifacts is False
 
 
 class TestVersionDetection:

integrations/adk-middleware/python/tests/test_from_app_integration.py

@@ -260,10 +260,12 @@ async def test_from_app_with_unsupported_mime_type(sample_app):
         events.append(event)
     event_types = [e.type for e in events]
 
-    # Google API gracefully ignores unsupported MIME types and processes the text portion normally
+    # With save_input_blobs_as_artifacts=False, the invalid MIME type blob
+    # reaches the Gemini API directly. The API may reject it with an error
+    # or gracefully ignore it — either outcome is acceptable as long as the
+    # run completes (RUN_FINISHED is emitted).
     assert EventType.RUN_STARTED in event_types
     assert EventType.RUN_FINISHED in event_types
-    assert EventType.RUN_ERROR not in event_types
 
 @pytest.mark.asyncio
 async def test_runner_supports_plugin_close_timeout():