fixup! [plan][python] Built-in actions support async execution.

cross language doesn't support async execution

Author: wenjin272

python/flink_agents/e2e_tests/e2e_tests_resource_cross_language/chat_model_cross_language_test.py

@@ -32,6 +32,7 @@
     StreamingFileSink,
 )
 
+from flink_agents.api.core_options import AgentExecutionOptions
 from flink_agents.api.execution_environment import AgentsExecutionEnvironment
 from flink_agents.e2e_tests.e2e_tests_resource_cross_language.chat_model_cross_language_agent import (
     ChatModelCrossLanguageAgent,
@@ -68,6 +69,7 @@ def test_java_chat_model_integration(tmp_path: Path) -> None:  # noqa: D103
     )
 
     agents_env = AgentsExecutionEnvironment.get_execution_environment(env=env)
+    agents_env.get_config().set(AgentExecutionOptions.CHAT_ASYNC, False)
     output_datastream = (
         agents_env.from_datastream(
             input=deserialize_datastream, key_selector= lambda x: "orderKey"

python/flink_agents/e2e_tests/e2e_tests_resource_cross_language/vector_store_cross_language_test.py

@@ -32,6 +32,7 @@
     StreamingFileSink,
 )
 
+from flink_agents.api.core_options import AgentExecutionOptions
 from flink_agents.api.execution_environment import AgentsExecutionEnvironment
 from flink_agents.e2e_tests.e2e_tests_resource_cross_language.vector_store_cross_language_agent import (
     VectorStoreCrossLanguageAgent,
@@ -43,7 +44,7 @@
 OLLAMA_MODEL = os.environ.get("OLLAMA_EMBEDDING_MODEL", "nomic-embed-text:latest")
 os.environ["OLLAMA_EMBEDDING_MODEL"] = OLLAMA_MODEL
 
-ES_HOST = os.environ.get("ES_HOST")
+ES_HOST = "localhost:9200"
 
 client = pull_model(OLLAMA_MODEL)
 
@@ -73,6 +74,7 @@ def test_java_embedding_model_integration(tmp_path: Path, embedding_type: str) -
     )
 
     agents_env = AgentsExecutionEnvironment.get_execution_environment(env=env)
+    agents_env.get_config().set(AgentExecutionOptions.RAG_ASYNC, False)
     output_datastream = (
         agents_env.from_datastream(
             input=deserialize_datastream, key_selector= lambda x: "orderKey"