test(litellm): restore import order after rebase

Author: giulio-leone

tests/unittests/models/test_litellm.py

@@ -38,8 +38,8 @@
 from google.adk.models.lite_llm import _get_completion_inputs
 from google.adk.models.lite_llm import _get_content
 from google.adk.models.lite_llm import _get_provider_from_model
-from google.adk.models.lite_llm import _is_anthropic_provider
 from google.adk.models.lite_llm import _is_anthropic_model
+from google.adk.models.lite_llm import _is_anthropic_provider
 from google.adk.models.lite_llm import _message_to_generate_content_response
 from google.adk.models.lite_llm import _MISSING_TOOL_RESULT_MESSAGE
 from google.adk.models.lite_llm import _model_response_to_chunk